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4.24 CPU PIN FUNCTION
<SYSCON IC3001>
PIN NO.
LABEL
IN/OUT
FUNCTION
1
CTL(+)
IN/OUT CTL(+) SIGNAL
2
SVSS
-
GND
3
CTL(-)
IN/OUT CTL(-) SIGNAL
4
CTLBIAS
-
CTL BIAS VOLTAGE
5
CTLFB
IN
CTL PULSE FEEDBACK
6
CTLAMPOUT
OUT
CTL PULSE OUTPUT
7
CTLSMTIN
IN
CTL PULSE INPUT
8
CFG
IN
CAPSTAN FG PULSE INPUT
9
SVCC
-
SYSTEM POWER
10
AVCC
-
SYSTEM POWER FOR ANALOG CIRCUIT
11
NORM/MESEC/S
IN
SVHS MODE:H
12
SECAM_DET(H)/KILLER_DET/BIT_IN(H)
IN
NC/COLOR KILLER DETECT/NC
13
VIDEO_ENV
IN
AUTO TRACKING DETECT/INPUT THE AVERAGE OF PLAYBACK VIDEO SIGNAL
14
START_SENSOR
IN
START SENSOR
15
END_SENSOR
IN
END SENSOR
16
IND(L)
IN
AUDIO INPUT (LCH) FOR THE FDP AUDIO INDICATOR
17
DD_ABS
IN
DYNAMIC DRUM POSITION DETECT
18
SCR_ID/WA_DET
IN
SCRAMBLE CONTROL INPUT (SCRAMBLE:H)/NC
19
IND(R)
IN
AUDIO INPUT (RCH) FOR THE FDP AUDIO INDICATOR
20
BS_ANT/AFC
IN
TUNING CLOCK
NC/CHANGES IN ATS+IC OUTPUT AS CAUSED BY CHANGES IN RECEIVER SENSITIVITY
21
LED/RF AGC
IN
WHEN THE SAME CHANNEL IS RECEIVED MORE THAN ONCE ARE INPUT.
22
A.ENV/ND(L)
IN
AUDIO PB FM ENV.INPUT/NON HiFi MODE:L
23
AVSS
-
GND FOR ANALOG CIRCUIT
24
CTL_GAIN
OUT
CONTROL AMP OUT FREQUENCY RESPONSE SWITCHING
25
LSA
IN
MECHANISM MODE DETECT(A)
26
LSB
IN
MECHANISM MODE DETECT(B)
27
LSC
IN
MECHANISM MODE DETECT(C)
28
CAP_REV(L)
OUT
CAPSTAN MOTOR REVERSE CONTROL (FWD:H/REV:L)
29
RC
IN
REMOTE CONTROL DATA INPUT
30
LOCK(L)/P.SAVE[0.1]
IN
TUNING PLL LOCK DETECT:L/NC
31
P50_IN
IN
CONTROL SIGNAL FOR TV LINK
32
R.PAUSE/COMPU_IN
IN
REMOTE PAUSE CONTROL / A/V COMPULINK INPUT
33
RAE_OUT/COMPUOUT
OUT
NC / A/V COMPULINK OUTPUT
34
P50_OUT
OUT
CONTROL SIGNAL FOR TV LINK
35
LMC1
OUT
LOADING MOTOR DRIVE(1)
36
LMC2
OUT
LOADING MOTOR DRIVE(2)
37
LMC3
OUT
LOADING MOTOR DRIVE(3)
38
SB_G(PWM)
OUT
VOLTAGE CONTROL SIGNAL FOR VIDEO FREQUENCY RESPONSE
39
STB/TEST
OUT
STROBE SIGNAL (FOR FDP DRIVER)
40
POWER_DET
IN
DETECTION SIGNAL FOR POWER DOWN OF AC POWER SUPPLY
41
REC_SAFETY
IN
REC SAFETY SWITCH DETECT (SW ON:L)
42
PROTECT
IN
DETECTION SIGNAL FOR SW POWER SUPPLY
43
VSS
-
GND
44
RMO
OUT
REMOTE CONTROL OUTPUT FOR SATELLITE RECEIVER
45
VCC
-
SYSTEM POWER
46
EXP2_DATA
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR TUNER/REG CONTROL
47
EXP1_DATA
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR AUDIO/VIDEO CONTROL
48
EXP_CLK
OUT
SERIAL DATA TRANSFER CLOCK FOR AUDIO/VIDEO AND TUNER/REG CONTROL
49
I2C_DATA_A/V
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR THE VIDEO/AUDIO IC
50
I2C_CLK_A/V
OUT
SERIAL DATA TRANSFER CLOCK FOR THE VIDEO/AUDIO IC
51
S.DATA_TOSYS
IN
SERIAL DATA TRANSFER OUTPUT FROM THE ON-SCREEN IC TO THE FDP DRIVER
52
S.DATA_FRSYS
OUT
SERIAL DATA TRANSFER OUTPUT FROM THE FDP DRIVER TO THE ON-SCREEN IC
53
S.CLK
OUT
SERIAL DATA TRANSMISSION CLOCK FROM THE FDP DRIVER TO THE ON-SCREEN IC
54
SP_FG
IN
DETECTION SIGNAL FOR SUPPLY REEL ROTATION/TAPE REMAIN
55
TU_FG
IN
DETECTION SIGNAL FOR TAKE-UP REEL ROTATION/TAPE REMAIN
56
JUST_CLK/EDS(H)
-
NC
PIN NO.
PIN NO.
LABEL
LABEL
IN/OUT
IN/OUT
FUNCTION
FUNCTION
57
TU_CE
OUT
CHIP ENABLE OF THE TUNER UNIT
58
N.REC_ST(H)
OUT
NORMAL AUDIO SOUND RECORDING START
59
DD_FG
IN
DYNAMIC DRUM FG INPUT
60
TU_CLK
OUT
CLOCK FOR DATA TRANSFER TO THE TUNER UNIT
61
TU_DATA
OUT
TUNING DATA
62
FWE
-
NC
63
NMI(L)
-
NC
64
X2
-
TIMER CLOCK (32.768KHz)
65
X1
-
TIMER CLOCK (32.768KHz)
66
RES(L)
-
RESET TERMINAL (RESET ON:L)
67
OSC1(IN)
-
MAIN SYSTEM CLOCK(10MHz)
68
VSS
-
GND
69
OSC2(OUT)
-
MAIN SYSTEM CLOCK(10MHz)
70
VCC
-
SYSTEM POWER
71
MODE
-
NC
72
TU_A_MUTE(H)
OUT
TUNER AUDIO MUTE CONTROL (MUTE:H)
73
TU_V_MUTE(H)
OUT
TUNER VIDEO CONTROL (MUTE:H)
74
A.MUTE(H)
OUT
AUDIO MUTE CONTROL (MUTE:H)
75
I2C_CLK2
OUT
SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
76
I2C_DATA2
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR MEMORY IC
77
DDCFWD
OUT
DYNAMIC DRUM CONTROL (FORWARD)
78
DDCREV
OUT
DYNAMIC DRUM CONTROL (REVERSE)
79
DDSPDCTL
OUT
DYNAMIC DRUM SPEED CONTROL
80
V.P.CTL
OUT
V.PULSE CONTROL, V COMPENSATION DURING SPECIAL PLAYBACK
81
R-Y_REV/EDS_CS/EXT(L)
OUT
PAL EP MODE CONTROL/NC/NC
82
VCC
-
SYSTEM POWER
83
SLOW_P/CNR_CTL
OUT
MEMORY TIMING CONTROL IN THE SLOW MODE / NC
84
VSS
-
GND
85
SP_SHORT(H)
OUT
MODE SELECT
86
LP_SHORT(H)
OUT
MODE SELECT
87
FLY_ON(H)
OUT
FLYING ERASE ON:H
88
H.REC_ST(H)
OUT
HIFI AUDIO SOUND RECORDING START
SPECIAL PLAYBACK: H/REC AFC FILTER, PB APC FILTER, BURST
89
TRICK(H)/M_TRICK(L)
OUT
ACC FILTER, COLOR KILLER DET FILTER
90
HEAD_SEL
OUT
HEAD SELECT(LP HEAD:H, SP HEAD:L)
91
OSD_CS
OUT
CHIP SELECT FOR THE ON-SCREEN IC
92
SYNC_DET(H)
IN
DETECTION OF VIDEO SYNC SIGNAL (DETECTED:H)
93
MESECAM(H)
OUT
MESECAM:H
94
JSB/STLB
-
NC
95
SHTL(L)/JOGA
-
NC
96
JOGB/S_CASS(H)
-
NC
97
JSA/STLA
-
NC
98
C.SYNC
IN
COMPOSITE SYNC
99
A.FF
OUT
AUDIO FF OUTPUT
ROTATION DETECTION SIGNAL FOR DRUM MOTOR/TIMING
100
V.FF
OUT
CONTROL SIGNAL FOR REC
101
CAPPWM
OUT
CAPSTAN MOTOR CONTROL
102
DRUMPWM
OUT
DRUM MOTOR CONTROL
103
SUB_RESET
OUT
RESET SIGNAL FOR THE SUB CPU (NAVI)
104
HI_FF/REW(L)
OUT
HIGH FF/REW:L
105
SUB_BUSY
IN
SUB CPU (NAVI) BUSY
106
SUB_CS
OUT
CHIP SELECT FOR THE SUB CPU (NAVI)
107
DPG
IN
DRUM PICKUP PULSE INPUT (SWITCHING PULSE)
108
DFG
IN
DRUM FG PULSE INPUT
109
VCC
-
SYSTEM POWER
110
V.PULSE
OUT
V.PULSE ADDITION TIMING CONTROL
111
VSS
-
GND
112
CTLREF
-
CTL REFERENCE VOLTAGE
4-45
4-46
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