Panasonic SA-AK640E Service Manual page 77

Pin Mark
No.
20 PGND2
21-24 N.C.
25 VCC
26 VREF
27 IN4
28 IN3
20.3. IC2801 (C2CBYY000066) System Microprocessor
Pin Mark
No.
1 LM_1
2 PA_LVL
3 PLLCE
4 RDS_DA
5 RDS_CLK
6 MODE_A
7 F_Hop
8 BYTE
9 CNVSS
10 XC_IN
11 XC_OUT
12 /RESET
13 X_OUT
14 VSS
15 XIN
16 VCC
17 /NMI
18 RMT
19 BLKCK
20 SYNC
21 ST/DO
22 SD
23 N.C.
24 SW_LV-1
25 SW_LV-2
26 ASP_DA
27 ASP_CLK
I/O Function
- Ground Connection (2)
for Driver
O No Connection
I Power Supply terminal
I Reference Voltage Input
I Motor Driver (4) Input
I Motor Driver (3) Input
I/O Function
- Level Meter
- No Connection
O PLL Chip Select
I RDS Data Input
I RDS Clock Input
- No Connection
O F_Hop for Digital Amp
- External Data Bus Width
Select Input (Connect to
Ground)
- Flash Mode Terminal
(Connect to Ground)
- 32.768 kHz Sub Clock
- 32.768 kHz Sub Clock
- Reset Input (ACTIVE L)
- 10 MHz Main Clock
- Ground (0V)
- 10 MHz Main Clock
- Power Supply (+5V)
- Connect to Vcc (+5V)
I Remote Control Input
I CD Block Clock Input
(Inverted)
I AC Failure Detect Input
I Tuner IF Data/ Stereo
Input
I Tuner Signal Detect
Input
- No Connection
O Sub-Woofer Level 1
O Sub-Woofer Level 2
O ASP DATA
O ASP CLOCK
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