Pioneer MJ-D508, Service Manual

Page: 63 / 72

MJ-D508
63
No. Name I/O Description
1 G1/A1 Output terminals used jointly for the FDP
timing signal (grid connection) and the
2 G0/A0 O/O segment signal (anode connection).
3 NC –– NC (connected to VDD)
4 PE0/INT0/EC0
I/I/I Timer/counter external event input terminal
5 PE1/INT1/EC1
6 PE2/INT2 I/I External interrupt request input terminal
7 PE3/INT3/NMI I/I/I Nonmaskable interrupt request input terminal
8 PE4/RMC I/I Remote control reception circuit input terminal
9 PE5
10 PE6/PWM O/O 14 bit PWM output terminal
11 PE7/TO/ADJ O/O/O 16 bit timer/counter rectangular waveform
output, 32 kHz oscillation division output
terminal
12 PC0/KR0 Key return input terminal for performing of
| | IO/I key scanning with the FDP segment signal
19 PC7/KR7
20 PB0/CINT IO/I External capture input terminal to the 16 bit
timer/counter
21 PB1/CS0 I Serial interface (CH0) chip select input terminal
22 PB2/SCK0 IO/IO Serial clock (CH0) Input/Output terminal
23 PB3/SI0 IO/I Serial data (CH0) input terminal
24 PB4/SO0 IO/O Serial data (CH0) output terminal
25 PB5/SCK1 IO/IO Serial clock (CH1) Input/Output terminal
26 PB6/SC1 IO/I Serial data (CH1) input terminal
27 PB7/SO1 IO/O Serial data (CH1) output terminal
28 AVREF –– A/D converter reference voltage input terminal
29 PA0/AN0
| | I/O A/D converter analog input terminal
36 PA7/AN7
37 AVss –– A/D converter GND terminal
38 RST System reset terminal, L: Active
39 EXTAL I System clock oscillation crystal connection
terminal
40 XTAL O
41 Vss –– GND terminal
42 TX O Crystal connection terminal for 32 kHz timer
counter clock oscillation
43 TEX I
44 VDD –– Positive power supply terminal
45 VFDP –– FDP voltage supply terminal when the internal
resistor is specified by the mask option.
No. Name I/O Description
46 PD0/A55
| |
53 PD7/A48
54 PF0/A47
| |
61 PF7/A40
62 PG0/A39 FDP segment signal (anode connection)
| | O/O output terminal
69 PG7/A32
70 PH0/A31
| |
77 PH7/A24
78 A23
| | O
85 A16
86 G15/A15 Output terminals for FDP timing signal
| | O/O (grid connection) and segment signal
88 G13/A13 (anode connection)
89 VDD –– Positive power supply terminal
90 G12/A12 Output terminals for FDP timing signal
| | O/O (grid connection) and segment signal
100 G2/A2 (anode connection)
Note: The NC terminal of pin 3 must be connected to VDD. Connect
the VDD terminals of pin 44 and pin 89 both to VDD.
Pin Function