31
HCD-GNZ7D/GNZ8D/GNZ9D
Pin No. Pin Name I/O Description
48 AN0 I Not Used
49 AN1 I Not Used
50 AN2 I Not Used
51 MAMUTE O MAMUTE signal output to System Controller (IC509) (not used)
52 DVDD18 — Power Supply (+1.8V)
53 to 58 IOA 2 to 7 O Address bus 2 to 7 output to PROM (IC101)
59 HIGHA0 O Address bus 8 output to PROM (IC101)
60, 61 IOA18, 19 O Address bus 18, 19 output to PROM (IC101)
62 DVSS — Terminal Ground
63 APLLCAP I APLL External Capacitance connection
64 APLLVSS — Terminal Ground
65 DVDD3 — Power Supply (+3.3V)
66 I OWA O WE signal output to PROM (IC101)
67 A16 O Address bus 16 output to PROM (IC101)
68 to 72 HIGHA 7 to 3 O Address bus 15 to 11 output to PROM (IC101)
73 DVDD3 — Power Supply (+3.3V)
74, 75 HIGHA 2, 1 O Address bus 10, 9 output to PROM (IC101)
76 IOA20 O Address bus 20 output to PROM (IC101)
77 IOCS O CE signal output to PROM (IC101)
78 IOA1 O Address bus 1 output to PROM (IC101)
79 IOOE O OE signal output to PROM (IC101)
80 DVDD3 — Power Supply (+3.3V)
81 to 84 AD 0 to 3 I Data bus 0 to 3 input from PROM (IC101)
85 DVSS — Terminal Ground
86 to 88 AD 4 to 6 I Data bus 4 to 6 input from PROM (IC101)
89 IOA21 O Address bus 21 output to PROM (IC101)
90 ALE O Address latch enable (not used)
91 AD7 I Data bus 7 input from PROM (IC101)
92 A17 O Address bus 17 output to PROM (IC101)
93 IOA0 O Address bus 0 output to PROM (IC101)
94 DVSS — Terminal Ground
95 UWA I System Controller write strobe (not used)
96 URB I System Controller read strobe (not used)
97 DVDD18 — Power Supply (+1.8V)
98 IFSDO I DVD SOD signal input from System Controller (IC509)
99 IFCK O DVD SCO signal output to System Controller (IC509)
100 XIFCS I DVD XIFCS signal input from System Controller (IC509)
101 IFSDI I VIFBUSY signal output from System Controller (IC509)
102 SCL O SCL signal output to EEPROM (IC103)
103 SDA O SDA signal output to EEPROM (IC103)
104 TRG-SW O RS232 RXD signal output (not used)
105 IF-BSY I RS232 TXD signal input from System Controller (IC509)
106 RXD I RD232 RXD clock
107 TXD I RD232 TXD data
108 DVDD3 — Power Supply (+3.3V)
109 ICE I ICE mode enable (not used)
110 PRST I MTRST signal input from System Controller (IC509)
111 IR I IR control signal input (not used)
112 INT0 I External interrupt0 (not used)
113 DQMO O DQM0 signal output to SD-RAM (IC104)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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