Sharp ER-A770 Manual page 35

3) Pin description
Pin
Name I/O
No.
1 RF ON NU
2 JF ON NU
3 PCUTZ ON NU
4 FCUTZ ON NU
5 VFZ ON NU
6 STAMPZ ON NU
7 VIOZ O NU
8 VMEMZ O VRAM DEOCDE
9 SWAPZ O NU
10 RESZ O6M RESET
11 FROS1Z O FLASH ROM DECODE
12 FROMLZ O NU
13 POFF IC POWER OFF SIGNAL INPUT
14 INT1Z ICU INTERRUPT SIGNAL INPUT
15 HTS1 O SERIAL OUT (CKDC INTERFACE)
16 SCK1 O SERIAL CLOCK (CKDC INTERFACE)
17 STH1 IS SERIAL IN (CKDC INTERFACE)
18 MCRINT O MCR INTRRUPT OUT
19 VWAITZ IU VGA WAIT INPUT
20 VDD –
21 GND –
22 MCRINTZ O MCR INTRRUPT OUT
TURNS ACTIVE WHEN
23 VRESC ON
RESET&POWER DOWN IS MET
24 SLTMG ICS GND
25 SLRST ICS GND
26 ASZ I ADDRESS STROBE
27 RDZ I READ STROBE
28 WRZ I WRITE STROBE
29 PHAI IS SYSTEM CLOCK (9.83MHz)
30 RASPN1 O PSRAM DECODE1
31 RASPN1E O PSRAM DECODE1 (EVEN)
32 RASPN12Z O PSRAM DECODE1 OR 2
33 GND –
34 RASPAN2 O PSRAM DECODE2
35 RASPN2E O PSRAM DECODE2(EVEN)
36 VGALZ O NU
37 SDT1Z O NU
38 ID0 IO DATA BUS
39 ID1 IO DATA BUS
40 ID2 IO DATA BUS
41 ID3 IO DATA BUS
42 GND –
43 ID4 IO DATA BUS
44 ID5 IO DATA BUS
45 ID6 IO DATA BUS
46 ID7 IO DATA BUS
47 SSPRQZ O SSP REQUEST FOR CPU
48 RESETZ ICS MPCA RESET
49 INT2Z ICU INTERRUPT INPUT (NU)
50 INT3Z ICU INTERRUPT INPUT (NU)
51 RXDI O SERIAL OUT FOR CPU
52 TXDI IS SERIAL IN FROM CPU
53 SCKI IU SERIAL CLOCK FROM CPU
Description
Pin
Name I/O
No.
54 IRQ0Z O INTERRUPT SIGNAL FOR CPU
55 A0 I ADDRESS BUS
56 A1 I ADDRESS BUS
57 A2 I ADDRESS BUS
58 A3 I ADDRESS BUS
59 A4 I ADDRESS BUS
60 A5 I ADDRESS BUS
61 GND –
62 VDD –
63 A6 I ADDRESS BUS
64 A7 I ADDRESS BUS
65 A8 I ADDRESS BUS
66 A9 I ADDRESS BUS
67 A10 I ADDRESS BUS
68 A11 I ADDRESS BUS
69 A12 I ADDRESS BUS
70 A13 I ADDRESS BUS
71 A14 I ADDRESS BUS
72 A15 I ADDRESS BUS
73 A16 I ADDRESS BUS
74 A17 I ADDRESS BUS
75 A18 I ADDRESS BUS
76 A19 I ADDRESS BUS
77 A20 I ADDRESS BUS
78 A21 I ADDRESS BUS
79 A22 I ADDRESS BUS
80 LCDCZ O NU
81 A23 I ADDRESS BUS
82 TRGI IS NU
83 PTMG O NU
84 PRST O NU
INTERRUPT INPUT (SHEN2 FOR
85 INT4Z ICU
OPTION CKDC)
IPL SIGNAL FROM OPTION
86 IPLONZ IU
CONNECTER
87 MD1 ICU TEST PIN
88 MD0 ICU TEST PIN
89 TESTZ ICU TEST PIN
90 TPRRDYZ O NU
91 TPTRDYZ O NU
92 TPRDY O NU
93 RCVRDY1 IU NU
94 RCVRDY2 IU NU
95 RCO O NU
96 IRTX O NU
97 UASCK O USART CLOCK
98 UARXZ O NU
99 UATXZ IU NU
100 VDD –
101 GND –
102 IRRXZ ICS NU
103 RCRXZ ICS NU
OSCI IR CLOCK (7.37MHz)
104 DAX1
Description