Kenwood DVR-8100 Service Manual page 5

QQ
3 7 63 1515 0
Pin No.
70~73 SMI ADR(10~13)
74 SMI CS(0)
75 SMI CS(1)
76 SMI RAS
77 SMI CAS
78 SMI WE
79 SMI DQML
80 SMI DQMU
82 SMI CLKIN
84~93 SMI DATA(0~9)
95 SMI CLKOUT
97~102 SMI DATA(10~15)
Reserved
103 ADC SCLK
104 ADC LRCLK
105 ADC DATA
106 ADC PCMCLK
JTAG
109 TRST
110 TMS
111 TDO
112 TDI
113 TCK
Timers
114 PWM2
TE
L 13942296513
115 PWM1
116 PWM0
EMI Interface
117 CPU OE
118 CPU PRO CLK
Clock & Reset
120 PIX CLK
122 VDD PLL
123 VSS PLL
124 RESET
Interrupt
125 IRQ(2)
126 IRQ(1)
127 IRQ(0)
EMI Interface
128 CPU BE(0)
129 CPU BE(1)
130 CPU RW
131 CPU WAIT
132 CPU CE(3)
133 CPU CE(2)
134 CPU CE(1)
135 CPU CE(0)
138 CPU RAS1
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139 CPU CAS0
140 CPU CAS1
141~148 CPU DATA(0~7)
.
151~158 CPU DATA(8~15)
161~170 CPU ADR(1~10)
173~181 CPU ADR(11~19)
CIRCUIT DESCRIPTION
Pin Name I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
x ao u163
y
I/O
i
I/O
8
O SDRAM address bus.
O Chip select bank 0.
- Unused.
O SDRAM RAS
O SDRAM CAS
O SDRAM write enable.
O DQ MASK enable low.
O DQ MASK enable up.
I SDRAM clock input.
SDRAM data bus.
O SDRAM clock out.
SDRAM data bus.
ADC digital audio port clock (unused).
ADCsample rate clock (unused).
I ADC digital audio data input (unused).
O Crystal input or master clock input (unused).
I Test reset from emulator module.
I Test mode select.
O Test data out to emulator module.
I Test data input from emulator module.
I Test clock input from emulator module.
Q Q
Unused.
3 6 7 1 3
ROM boot option port (voltage low = emulator booting).
Unused.
Flash ROM output enable.
O SDRAM clock (unused).
I 27MHz main clock input.
- Supply voltage for PLL (+3V3).
- Ground for PLL.
I Chip reset input.
I Interrupt request 2 from front-end module.
I Unused.
I Unused.
O BYTE 0 Enable
O BYTE 1 Enable
O Unused.
I Wait state (connected to ground).
O Flash ROM chip select.
O Flash ROM down-load JIG module select.
O Unused.
O Unused.
Unused.
O Unused.
O Unused.
Flash ROM data input/output (0~7).
.
Flash ROM data input/output (8~15).
O Flash ROM address (1~10).
O Flash ROM address (11~19).
DVR-8100
2 9 9 4 2 8
Pin Description
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9
5