Aiwa XD-DV487 Service Manual page 72

IC DESCRIPTION - 7/9 (HD6417034AF112) - 3/4
Pin No. Pin Name
71 CK
72 VSS
73 EXTAL
74 XTAL
75 VCC
NMI
76 _________
WDTOVF
VCC
77
VPP
78 WDTOPVF
____
79 RES
80 ~ 82 MD0 ~ MD2
83, 84 VCC
85 AVCC
86 AVREF
87 PC0/AN0
88 PC1/AN1
89 PC2/AN2
90 PC3IAN3
91 AVSS
92 PC4/AN4
93 PC5/AN5
94 PC6/AN6
95 PC7/AN7
96 VSS
TP0
97 TIOCA2
PB0
TP1
98 TIOCB2
PB1
99 VCC
TP2
100 TIOCA3
PB2
TP3
101 TIOCB3
PB3
TP4
102 TIOCA4
PB4
I/O
O System clock
– Ground
I External clock.
I Crystal.
– Power.
I Nonmaskable interrupt.
O Watchdog timer overflow. Overflow output signal from the watchdog timer.
– Power.
I PROM programming power supply
– Not used
I Reset. Low input causes a power-on reset if NMI is high, or a manual reset if NMI is low.
I Mode select.
– Power.
– Analog power supply. Power supply pin for analog circuits. Connect to the VCC potential.
– Analog reference power supply. Input pin for the analog reference voltage.
I Port C. 8-bit input pins. Analog input: Analog signal input pins.
– Analog ground. Power supply pin for analog circuits. Connect to the VSS potential.
I Port C. 8-bit input pins. Analog input. Analog signal input pins.
– Ground
O Timing pattern output 0. Timing pattern output pins.
I/O ITU input capture/output compare (channel 2). Input capture or output compare pins.
Port B. 16-bit input/output pins. Input or output can be selected individually for each bit.
O Timing pattern output 1. Timing pattern output pins.
I/O ITU input capture/output compare (channel 2). Input capture or output compare pins.
Port B. 16-bit input/output pins. Input or output can be selected individually for each bit.
– Power.
O Timing pattern output 2. Timing pattern output pins.
I/O ITU input capture/output compare (channel 3). Input capture or output compare pins.
Port B. 16-bit input/output pins. Input or output can be selected individually for each bit.
O Timing pattern output 3. Timing pattern output pins.
I/O ITU input capture/output compare (channel 3). Input capture or output compare pins.
Port B. 16-bit input/output pins. Input or output can be selected individually for each bit.
O Timing pattern output 4. Timing pattern output pins.
ITU input capture/output compare (channel 4). Input capture or output compare pins.
I/O
Port B. 16-bit input/output pins. Input or output can be selected individually for each bit.
Description
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