3) Pin description
Pin
No.
Name I/O Description 
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 
23 VRESC
ON
TURNS ACTIVE WHEN
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 (/TPRRDY) 
Pin
No.
Name I/O Description 
50 INT3Z ICU INTERRUPT INPUT (/TPTRDY) 
51 RXDI O SERIAL OUT FOR CPU
52 TXDI IS SERIAL IN FROM CPU 
53 SCKI IU SERIAL CLOCK FROM CPU 
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
85 INT4Z ICU NU
86 IPLONZ IU IPL SIGNAL FROM OPTION
CONNECTER
87 MD1 ICU TEST PIN 
88 MD0 ICU TEST PIN
89 TESTZ ICU TEST PIN
90 TPRRDYZ O TOUCH PANEL INTERRUPT
(CONNECTED TO INT2Z) 
91 TPTRDYZ O TOUCH PANEL INTERRUPT
(CONNECTED TO INT3Z) 
92 TPRDY O NU 
93 RCVRDY1 IU NU 
94 RCVRDY2 IU NU 
95 RCO O NU 
96 IRTX O IR OUT 
97 UASCK O IR CLOCK 
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