Kenwood KNA-DV2200 Service Manual page 11

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
142 D62
143 VDD
144 VSS
145 D48
146 D63
147 VDDQ
148 VSSQ
149 MD0/SCK
150 MD1/TXD2
151 MD2/RXD2
152 IRL0
153 IRL1
154 IRL2
155 IRL3
156 NMl
157 XTAL2
158 EXTAL2
159 VSS · RTC
160 VDD · RTC (3.3V)
161 RESERVED
162 VSS
163 VDDQ
164 CTS2
165 TCLK
166 MD8/RST2
167 MD7/TXD
168 SCK2/MRESET
169 VDD
170 VSS
171 A18
172 A19
173 A20
174 A21
175 A22
176 A23
177 VDDQ
178 VSSQ
179 A24
180 A25
181 MD3/CE2A
182 MD4/CE2B
183 MD5/RAS2
I/O Description
I/O Data bus
- Positive power supply connection terminal (+1.8V)
- GND connection terminal
I/O Data bus
I/O Data bus
- Positive power supply connection terminal (+3.3V)
- GND connection terminal
I/O Clock movement matter mode selection terminal
Clock movement matter mode selection
I/O
terminal/Communication output to TV monitor
Clock movement matter mode selection
I
terminal/Communication input from TV monitor
I Interrupt input 0
I Interrupt input 1
I Interrupt input 2
I Interrupt input 3
I NMl interrupt input
O
I
- GND connection terminal
- Positive power supply connection terminal (+3.3V)
I
- GND connection terminal
- Positive power supply connection terminal (+3.3V)
I/O
I/O
I/O Crystal resonator settlement terminal
I/O Master mode settlement terminal
I
- Positive power supply connection terminal (+1.8V)
- GND connection terminal
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
- Positive power supply connection terminal (+3.3V)
- GND connection terminal
O Address bus
O Address bus
I/O Area 0 bus width settlement terminal
I/O Area 0 bus width settlement terminal
I/O
KNA-DV2200
Processing Operation
Not used (N.C.)
Connected to VCC1.8 lines.
Connected to GND lines.
Not used (N.C.)
Not used (N.C.)
Connected to VCC3 lines.
Connected to GND lines.
Pull up to VCC3 Lines.
Pull up to VCC3 Lines/Communication
output to TV monitor
Pull up to VCC3 Lines/Communication
input from TV monitor
Not used (N.C.)
Not used (connected to VCC3 lines)
Connected to GND lines.
Connected to VCC3 lines.
Not used (connected to VCC3 lines)
Connected to GND lines.
Connected to VCC3 lines.
Not used (pull up to VCC3 lines)
Not used (pull up to VCC3 lines)
Pull up to VCC3 lines.
Pull up to VCC3 lines.
Not used (pull up to VCC3 lines)
Connected to VCC1.8 lines.
Connected to GND lines.
Connected to VCC3 lines.
Connected to GND lines.
Pull down to GND lines.
Pull up to VCC3 lines.
Pull down to GND lines.
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