Panasonic SA-AK520E Service Manual page 79

Pin No. Mark
17 D4+ O
18 NC -
19 PGND2 -
20 PVCC2 -
21 VCC -
22 VREF -
23 IN4 I
24 IN3 I
25 RSTIN I
26 NC -
21.4. IC305 (C1CBJF000018) System Microprocessor
Pin No. Mark
1 LM_L
2 LM_R
3 NC
4 RDS_DAT
5 RDS_CLK
6 MBP1
7 MBP2
8 BYTE
9 CNVSS/
EFP_CNVSS
10 XC_IN
11 XC_OUT
I/O Function
Motor driver (4) forward-
action output
N.C.
Ground connection (2) for
driver
Power supply (2) for
driver
Power supply terminal
Reference voltage input
Motor driver (4) input
Motor driver (3) input
Reset terminal
N.C.
I/O Function
O Level meter left (for
AK320)
/SPEANA Input (for
AK520)
NC (for AK220)
O Level meter right (for
AK320)/
NC (for AK520/220)
- No connection
I RDS data input (for
AK320)/
NC for AK520/220)
I RDS clock input (for
AK320)
NC (for AK520/220)
O Microcomputer beat
proof output 1
(CONTROL)
O Micro computer beat
proof output 2
(CONTROL)
- 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
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