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VPCE 1000

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                                                                                                                 Letter         Zone                         Description                             Date           By           Approved


          VCC                                                                                                    A                     PRE-PRODUCTION RELEASE                                      3-99             A.R          G.A.D

                                                                                                                 B                     UPDATED PER ECO#2495                                        5-99             A.R




    99
    90
    87
    74
    62
    49
    40
    37
    24
    12
                U1                                                     J3
                           11   clk_100mhz          GND           1




        VCCO
        VCCO
         VCC
        VCCO
        VCCO
        VCCO
         VCC
        VCCO
        VCCO
        VCCO
                CLK0/I0                  i1         GND               1
                CLK1/I1    15                                     2   2
                           36            i0         GND           3
D                    I2                ccen         GND               3                                                                                                                                                                     D
                CLK2/I3    61                                     4   4
                           65            hlt        GND           5
                CLK3/I4                             GND               5
                                                                  6   6
                           91                       GND           7
                    I/O0                  i2        GND               7
                    I/O1   92                                     8   8
                           93        clk_res        GND           9
                    I/O2                ds0         GND               9
                    I/O3   94                                    10   10
                           95           dwt         GND          11
                    I/O4                            clk_12mhz         11
                    I/O5   96                                    12   12
                    I/O6   97                                    13   13
                    I/O7   98                                    14   14
                    I/O8   3                                     15   15
                    I/O9   4                                     16   16
                  I/O10    5                                     17   17
                           6                                     18                    VCC
                  I/O11                                               18
                  I/O12    7                                     19   19
                           8                        VCC          20
                  I/O13                                               20
                  I/O14    9
                           10                                         CONN_20PIN                +     C3
                  I/O15                                                                               22uF                   C1            C2       C4
                  I/O16    16
                           17                                                                                                0.1uF
                  I/O17         clk_12mhz                                                                                                  0.1uF     0.1uF
                  I/O18    18
                           19   N00035         P1                                      GND
                  I/O19         N00036         P2                      J1
C                 I/O20    20                                                                                                                                                                                                               C
                           21   N00037         P3   dwt           1
                  I/O21         N00038         P4   ds0               1
                  I/O22    22                                     2   2
                           23   N00039         P5   i0            3
                  I/O23                alt0         clk_res           3
                  I/O24    28                                     4   4
                           29          rst_n        i1            5
                  I/O25                   i3        i2                5
                  I/O26    30                                     6   6
                           31          ld_n         VCC           7
                  I/O27                             GND               7                               VCC
                  I/O28    32                                     8   8
                           33                       i3            9
                  I/O29                             ld_n              9                      OSC1
                  I/O30    34                                    10   10




                                                                                                     6
                           35                       hlt          11
                  I/O31                             rst_n             11
                           41                                    12




                                                                                                     VCC
                  I/O32                             ccen              12                                                  clk_100mhz
                           42                                    13                                               4




                                                                                               GND
                  I/O33                             alt0              13                                   OUT
                  I/O34    43                                    14   14
                           44                       alt1         15
                  I/O35                             drd               15
                  I/O36    45                                    16   16
                           46          alt1         dle          17                                   OSC_5VSM




                                                                                              3
                  I/O37                drd          pclk              17
                  I/O38    47                                    18   18
                           48          dle          nins         19                             GND
                  I/O39               pclk     P6   prck              19
                  I/O40    53                                    20   20
                           54                       GND          21
                  I/O41                             VCC               21
                  I/O42    55                                    22   22
                           56                       GND          23
                  I/O43                             rs0               23
B
                  I/O44    57                                    24   24                                                                                                                                                                    B
                           58           nins        rs1          25
                  I/O45                             alck              25
                  I/O46    59                                    26   26
                           60           prck   P7   oey          27
                  I/O47                             ien               27
                  I/O48    66                                    28   28
                  I/O49    67
                           68                                                                                                 +5V
                  I/O50                                           CONN_28PIN_DIP
                  I/O51    69
                           70                                                                         VCC
                  I/O52
                  I/O53    71
                  I/O54    72
                           73                                          J2                             GND
                  I/O55                 rs0           GND
                  I/O56    78                                     1   1
                           79           rs1           isp_tms     2
                  I/O57                 alck   P8                     2
                  I/O58    80                                     3   3
                           81           oey           isp_tclk    4
                  I/O59                 ien                           4
                  I/O60    82                                     5   5
                           83                         isp_tdi     6                                                                                                                    This drawing and specification herein are the
                  I/O61                               VCC             6
                  I/O62    84                                     7   7                                                                                                                property of Periphonics Corporation and shall
                  I/O63    85                                     8   8                                                                                                                not be reproduced or copied or used in whole or
                                                      isp_tdo     9
                                   isp_tdi            GND             9                                                                                                                in part as the basis for the manufacture or sale
                    TDI    75                                    10   10
                           50      isp_tdo                                                                                                                                             of items without written permission.
                   TDO             isp_tclk                                                                                                        Full Schematic
                           1                                          CONN_10PIN_ISP
        GND
        GND
        GND
        GND
        GND
        GND
        GND




A                 TCLK             isp_tms                                                                                                                                                                                                  A
                   TMS     26
                                                                                                                                                               Periphonics Corp.
                                                                                                                                                               4000 Veterans Memorial Highway                APPROVED:
        89
        77
        64
        52
        39
        27
        14




                                                                                                                                                               Bohemia, NY 11716
                 CY37128_QFP_100
                                                                                                                                                   Title
                                                                                                                                                             VPCE-1000
          GND
                                                                                                                                                   Size    Document Number                                          Rev
                                                                                                                                                     B     5136467                                                  B
                                                                                                                                                   Date:   Wednesday, May 05, 1999          Sheet    1  of      1
                                                                                                                                                   Document File Name:C:\ASHTON\DESIGNS\VPCE1000\DRAW\REV_B\VPCE1000.DSN
    5                                          4                                   3                                                   2                                                                1

				
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