Pioneer FX-MG8057ZT/UC Service Manual page 92

1
7.2 IC
- Pin Functions (PD5844A)
Pin No. Pin Name
A
1 PDO
mpck
2
3 EC2+
4 EC2-
5 LDO
6 LDI
7 LCK
8 BYTE
9 CNVSS
10 EC1+
11 EC1-
B
reset
12
13 XOUT
14 VSS
15 XIN
16 VDD
nmi
17
rck
18
19
NC
20 LCE
21 RX2
22 IPPW
brxen
23
C
24 PWMIL
25 NC
26
NC
drst
27
28 PWMIND
29 RX1
30 TX
31 BSO
32 BSI
33 BSCK
34 NC
35 NC
D
36 NC
37 NC
38 NC
brst
39
bsrq
40
41 FMPW
42 AMPW
43 SYSPWR
44 RDT
45 NC
46 PCE2
E
47 PCE1
rdslk
48
49 NC
50 LOCL
51 NC
52 SYSMUTE1
53 NC
54 NC
F
92
1
2
I/O Function and Operation
O Tuner : Data output for PLL IC
O Tuner : Clock output for PLL IC
I AUD encoder (+) input
I AUD encoder (-) input
O LCD driver data output
I LCD driver data input
O Clock output for LCD driver
I Connect to VSS
I Connect to VSS
I VOL encoder (+) input
I VOL encoder (-) input
I Reset input
O Crystal oscillating element connection pin
GND
I Crystal oscillating element connection pin
Power supply terminal
Not used
RDS clock input
I
Not used
O Chip enable output pin for LCD driver
I IE-BUS data input
O IP-BUS driver power supply output
I/O P-BUS reception enable input/output pin
O PWM illumination output
Not used
Not used
O Reset output for RDS decoder
O Back light power supply ON/OFF output
I IE-BUS data input
O IE BUS data output
O P-BUS:Data output
I P-BUS:Data input
O P-BUS:Data clock output
Not used
Not used
Not used
Not used
Not used
I P–BUS reset input
I P-BUS service request input pin
O FM power supply control output
O AM power supply control output
O System power control output
I RDS demodulation data input
Not used
O Tuner:Chip enable output for E2PROM
O Tuner:Chip enable output for PLL IC
I RDS LK signal input
Not used
O Tuner:Local L output
Not used
O System mute output
Not used
Not used
FX-MG8057ZT/UC
2
3
3
4
4