Kenwood KVT-915DVD Service Manual page 15

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MICROCOMPUTER'S TERMINAL DESCRIPTION
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Pin No. Name
85 GCS0
86 VccQ
87 GCS2
88 GCS3
89 GCS4
90 GCS5
91 GCS6
92 LCD_CS
93 VssQ
94 N.C
95 VccQ
96 GRAS
97 N.C
98 GCAS
99 NTSC_PAL
100 GCKE
101 SHINI
102 GBACK
103 GBREQ
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L 13942296513
104 GR_WAIT
105 SH_DACK
106,107 N.C
108 SHSTBY
109~112 AUDATA0~AUDATA3
113 AUDSYNC
114 TDI
115 Vss
116 TCK
117 Vcc
118 TMS
119 TRST
120 TDO
121 ASEBRKAK
122 ASEMD0
123 Vcc-PLL1
124 CAP1
125 Vss-PLL1
126 Vss-PLL2
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127 CAP2
128 Vcc-PLL2
129 GMD1
.
130 Vss
131 XTAL
I/O
O Chip select 0 (ROM)
- AVR FOR I/O (3.3V)
O Chip select 2 (DMA)
O Chip select 3 (SDRAM)
O Chip select 4 (SDRAM)
O Chip select 5 (GRiTT : VRAM)
O Chip select 6 (GRiTT : Register)
O Driver chip select for mini LCD unit
- GND
- NC
- AVR FOR I/O (3.3V)
O Low address strobe
- NC
O Column address strobe
O NTSC/PAL selector (H : PAL, L : NTSC)
O Clock enable
I Reset start detect terminal (H : Except reset start, L : Reset start)
O Bus acknowledge (NC)
I Request for in bus (Fixed H level)
I Request for wait for hardware
O DMA acknowledge
O NC
O Consent of power supply off control terminal (H : Not consent, L : Power supply off)
I/O AU DATA input/output terminal
O AU SYNC output terminal (H-UDI)
I Data input terminal (H-UDI)
- GND
I Clock input terminal (H-UDI)
- Inside AVR (1.9V)
I Mode select (H-UDI)
I Reset terminal (H-UDI)
O Data output terminal (H-UDI)
O ASE break acknowledge (H-UDI)
I ASE mode (H-UDI)
- AVR for PLL (1.9V)
- External capacity terminal (for PLL1)
- GND
- GND
- External capacity terminal (for PLL2)
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y
- AVR for PLL2 (1.9V)
I Setting for clock mode
i
- GND
O X'tal oscillator terminal (NC)
2 9
8
Description / Processing Operation
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KVT-915DVD,925DVD,935DVD
KVT-945DVD,965DVD
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