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21
EXPLANATION OF MICROCOMPUTER
156 GND PWR 0V
157 NMI I Pull-up
158 LVcc PWR +3.3V
159 PTG[4] I Pull-up
160 /DREQ0 I
DMA request
DMA request
Input port G
161 /DREQ1 I
162 PTG[5] I
163 MD0 I Pull-down
164 MD2 I Pull-down
Power-on reset request
165 /RESETP I
166 CA I Pull-up
167 MD3 I Pull-down
168 MD4 I Pull-up
169 MD5 I Pull-down
170 GND PWR 0V
171 PTJ[0] I GND
172 PTJ[1] I GND
173 PTJ[2] I GND
174 PTJ[3] I GND
175 LVcc PWR +3.3V
176 GND PWR 0V
131 XTAL O Clock oscillator pin
Processor status
Processor status
NC
NC
NC
NC
NC
External Clock/crystal oscillator pin
132 EXTAL I
133 STATUS0 O
134 STATUS1 O
135 PTE[6] I/O
136 PTE[7] I ADPCM SW
137 GND PWR 0V
138 CKIO O Systen clock input/output(39.3216MHz)
139 LVcc PWR +3.3V
SCI transmit data0
SCI receive data0
SCIF receive data2
External interrupt request(Q2)
140 TxD0 O
141 SCK0 I/O
142 TxD2 O Pull-up
SC port
143 SCPT[3] O
144 SCPT[4] I/O
145 RxD0 I
146 RxD2 I
147 IRQ5 I Pull-up
148 GND PWR 0V
149 /RESETM I Pull-up
150 LLVcc PWR +1.9V
151 IRQ0 I
152 IRQ1 I External interrupt request(ATAPI)
153 IRQ2 I External interrupt request(FM)
154 IRQ3 I
155 IRQ4 I
Pin I/O
IC801 (HD6417706)3/3
Signal
Function