Terminal Function Of Ics; Ic6801 (C2Bbgf000669): Microprocessor - Panasonic SA-XR55E Service Manual

17 Terminal Function of ICs

17.1. IC6801 (C2BBGF000669):
Microprocessor
Pin Mark I/O
No.
1 N.C. -
2 DC_DET I
3 N.C. -
4 N.C. -
5 N.C. -
6 N.C. -
7 REQS I/O Communication to Sub µP : Request
8 REQM I/O Communication to Sub µP : Request
9 M_CK I/O Communication to Main µP : Clock
10 M2S_DT O
11 S2M_DT I
12 F_BUSY I/O BUSY control for µP ROM Writing
13 F_CK I
14 V_A I
15 F_DA I
16 V_B I
17 REMOTE I
18 CNVSS -
(VPP)
19 RESET I
20 HOLD I
21 V_C I
22 XIN I/O 10MHz Connect to Oscillator
23 XOUT I/O 10MHz Connect to Oscillator
24 VSS -
25 AF_MT O
26 BI_AMP O
27 SUBW_MT O
28 VCR_REC I
29 N.C. -
30 N.C. -
31 N.C. -
32 TAPE_REC -
33 SP_B O
34 POWER O
_RLY
35 M_RESET O
36 BEAT_PRF O
37 SP_A O
38 N.C. -
39 RDS_CK -
40 RDS_DI -
41 INIT_IN1 I
42 INIT_IN2 I
43 TUN_SD I
44 TUN_DI/ST I
45 TUN_CE O
46 SEL/TN/ I/O Input Selector and Tuner Control :
DA_CK
47 SEL/TN/ I
DA_DT
48 SEL_ST I/O Input Selector Control : Strobe
49 F_OE O
50 FL/LED_CK I/O FL & LED Driver Control : Clock
51 FL/LED_DT O
52 FL_ST O
53 FLD_RST O
Function
No Connection
DC Short Detection
No Connection
No Connection
No Connection
No Connection
from Sub µP
from Main µP
Communication to Main µP : Serial
Output
Communication to Main µP : Serial
Input
To rewrite µP ROM : CLOCK
Video Selector Control : A
To rewrite µP ROM : DATA
Video Selector Control : B
Remote Control Signal Input
12V supply to rewrite Flash ROM
Reset Input
Power Failure Detection
Video Selector Control :C
Connect to GND
MUTE for AF
BI-AMP RELAY
MUTE for SUBWFR
VCR REC_MUTE control
No Connection
No Connection
No Connection
TAPE REC OUT MUTE
B Speaker Relay Control
Power Relay Control
RESET signal for sub µP
BEAT PROOF Control Output
A Speaker Relay Control
No Connection
RDS IC Control : Clock
RDS IC Control : Data
Initialize Setting Input 1
Initialize Setting Input 2
SD Input for Tuner
IF data/Stereo detect input for Tuner
Control
CE Output for tuner
Clock
Input Selector and Tuner Control :
Data
To rewrite µP ROM : ENABLE
FL & LED Driver Control : Data
FL Driver Control : Strobe
RESET for FLD driver
Pin Mark
No.
54 DUAL_DRV
55 A/D_ATT
56 SHORT
_DET
57 VCC
58 VREF
59 AVSS
60 THRM_DET
61 SEL_ENC_A
62 SEL_ENC_B
63 KEY2
64 KEY1
109
SA-XR55E / SA-XR55EB / SA-XR55EG
I/O Function
O DUAL DRIVE control
I/O A/D attenuator Control
I Output Short Detection (OVERLOAD)
- +5V power supply
- VCC Connected
- GND Connected
I Thermal Warning Detection
(CLIPPER)
I Input Selector Encoder A
I Input Selector Encoder B
I Key input 2
I Key input 1