Syscon Cpu Pin Function (Ic3001) 1/2; Syscon Cpu Pin Function (Ic3001) 2/2 - JVC HR-S9800U Service Manual

1.7.2 Syscon CPU pin function (IC3001) 2/2

PIN NO. LABEL
57 TU_CE
58 N.REC_ST(H)
59 DD_FG
60 TU_CLK
61 TU_DATA
62 FWE
63 NMI(L)
64 X2
65 X1
66 RES(L)
67 OSC1(IN)
68 VSS
69 OSC2(OUT)
70 VCC
71 MODE
72 TU_A_MUTE(H)
73 TU_V_MUTE(H)
74 A.MUTE(H)
75 I2C_CLK2
76 I2C_DATA2
77 DDCFWD
78 DDCREV
79 DDSPDCTL
80 V.P.CTL
81 R-Y_REV/EDS_CS
82 VCC
83 SLOW_P
84 VSS
85 SP_SHORT(H)
86 LP_SHORT(H)
87 FLY_ON(H)
88 H.REC_ST(H)
89 TRICK(H)/M_TRICK(L)
90 HEAD_SEL
91 OSD_CS
92 SYNC_DET(H)
93 MESECAM(H)
94 JSB/STLB
95 SHTL(L)/JOGA
96 JOGB/S_CASS(H)
97 JSA/STLA
98 C.SYNC
99 A.FF
100 V.FF
101 CAPPWM
102 DRUMPWM
103 SUB_RESET
104 HI_FF/REW(L)
105 SUB_BUSY
106 SUB_CS
107 DPG
108 DFG
109 VCC
110 V.PULSE
111 VSS
112 CTLREF
IN/OUT
OUT CHIP ENABLE OF THE TUNER UNIT
OUT NORMAL AUDIO SOUND RECORDING START
IN DYNAMIC DRUM FG INPUT
OUT CLOCK FOR DATA TRANSFER TO THE TUNER UNIT
OUT TUNING DATA
- NC
- NC
- TIMER CLOCK (32.768KHz)
- TIMER CLOCK (32.768KHz)
- RESET TERMINAL (RESET ON:L)
- MAIN SYSTEM CLOCK(10MHz)
- GND
- MAIN SYSTEM CLOCK(10MHz)
- SYSTEM POWER
- NC
OUT TUNER AUDIO MUTE CONTROL (MUTE:H)
- NC
OUT AUDIO MUTE CONTROL (MUTE:H)
OUT SERIAL DATA TRANSFER CLOCK FOR MEMORY IC
IN/OUT SERIAL DATA TRANSFER OUTPUT FOR MEMORY IC
OUT DYNAMIC DRUM CONTROL (FORWARD)
OUT DYNAMIC DRUM CONTROL (REVERSE)
OUT DYNAMIC DRUM SPEED CONTROL
OUT V.PULSE CONTROL, V COMPENSATION DURING SPECIAL PLAYBACK
OUT NC/DIGITAL SUB (EDS) IC CHIP ENABLE
- SYSTEM POWER
OUT MEMORY TIMING CONTROL IN THE SLOW MODE
- GND
- NC
- NC
OUT FLYING ERASE ON:H
OUT HIFI AUDIO SOUND RECORDING START
- NC
OUT HEAD SELECT(EP/LP HEAD:H, SP HEAD:L)
OUT CHIP SELECT FOR THE ON-SCREEN IC
IN DETECTION OF VIDEO SYNC SIGNAL (DETECTED:H)
- NC
IN INPUT FOR THE JOG SHUTTLE
IN INPUT FOR THE JOG SHUTTLE
IN INPUT FOR THE JOG SHUTTLE/NC
IN INPUT FOR THE JOG SHUTTLE
IN COMPOSITE SYNC
OUT AUDIO FF OUTPUT
OUT ROTATION DETECTION SIGNAL FOR DRUM MOTOR/TIMING CONTROL SIGNAL FOR REC
OUT CAPSTAN MOTOR CONTROL
OUT DRUM MOTOR CONTROL
OUT RESET SIGNAL FOR THE SUB CPU (NAVI)
OUT HIGH FF/REW:L
IN SUB CPU (NAVI) BUSY
OUT CHIP SELECT FOR THE SUB CPU (NAVI)
IN DRUM PICKUP PULSE INPUT (SWITCHING PULSE)
IN DRUM FG PULSE INPUT
- SYSTEM POWER
OUT V.PULSE ADDITION TIMING CONTROL
- GND
- CTL REFERENCE VOLTAGE
Table 1-7-2 SYSCON CPU pin function(2/2)
FUNCTION
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