Sharp XE-A203 Service Manual - Page 9
Cpu Port - drawer
UPC - 074000049178
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3. CPU PORT PORT P00 P01 P02 P03 P04 P05 P06 P07 P10 P11 P12 P13 P14 P15 P16 P17 P20 P21 P22 P23 P24 P25 P26 P27 P30 P31 P32 P33 P34 P35 P36 P37 P40 P41 P42 P43 P44 P45 P46 P47 P50 P51 P52 P53 P54 P55 P56 P57 P60 P61 P62 P63 PIN No. 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 63 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 Pin name D0 D1 D2 D3 D4 D5 D6 D7 P10 P11 P12 P13 P14 P15 P16 P17 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 /CS0 /CS1 /CS2 /CS3 /WR /BHE /RD BCLK /HLDA /HOLD ALE /RDY P60 P61 P62 P63 Signal name I/O D0 I/O D1 I/O D2 I/O D3 I/O D4 I/O D5 I/O D6 I/O D7 I/O KST0 O KST1 O KST2 O KST3 O IN2 O IN1 O ENA2 O ENA1 O A0 O A1 O A2 O A3 O A4 O A5 O A6 O A7 O A8 O A9 O A10 O A11 O A12 O A13 O A14 O A15 O A16 O A17 O A18 O A19 O /CS0 O /CS1 O /CS2 O (NU) O /WR O (NU) O /RD O (NU) O (NU) O /EMP I (NU) O /RDY I DR1 O SD_CLK O SD_RXD I SD_TXD O Initial value H H H H H H H H L L L L L L L L H H H H H H H H H H H H H H H H H H H H H H H L H L H L L L L H H OFF MODE Out L Out L Out L Out L Out L Out L Out L Out L In In In In Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out L Out H Out L Out L Out L Out L Out L Out L In Out L In Out L Out L In Out L Function DATE BUS D0 DATE BUS D1 DATE BUS D2 DATE BUS D3 DATE BUS D4 DATE BUS D5 DATE BUS D6 DATE BUS D7 KEY DISPLAY (4 TO 16) KEY DISPLAY (4 TO 16) KEY DISPLAY (4 TO 16) KEY DISPLAY (4 TO 16) PAPER FEED MOTOR PAPER FEED MOTOR PAPER FEED MOTOR PAPER FEED MOTOR ADDRESS BUS A0 ADDRESS BUS A1 ADDRESS BUS A2 ADDRESS BUS A3 ADDRESS BUS A4 ADDRESS BUS A5 ADDRESS BUS A6 ADDRESS BUS A7 ADDRESS BUS A8 ADDRESS BUS A9 ADDRESS BUS A10 ADDRESS BUS A11 ADDRESS BUS A12 ADDRESS BUS A13 ADDRESS BUS A14 ADDRESS BUS A15 ADDRESS BUS A16 ADDRESS BUS A17 ADDRESS BUS A18 ADDRESS BUS A19 SEGMENT LATCH USB CONTROLLER SRAM UNUSED WRITE STROBE SIGNAL UNUSED READ STROBE SIGNAL UNUSED UNUSED UNUSED VCC PULL UP DRAWER DRIVE SIGNAL SD CLK SD RXD SD TXD XE-A203U/XE-A203A HARDWARE DESCRIPTION - 7 -