Kenwood KNA-DV2200 Service Manual page 9

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
54 D7
55 CKE
56 VDDQ
57 VSSQ
58 WE5/CAS5/DQM5
59 WE4/CAS4/DQM4
60 WE1/CAS1/DQM1
61 WE0/CAS0/ DQM0
62 A17
63 A16
64 A15
65 VDD
66 VSS
67 A14
68 A13
69 VDDQ
70 VSSQ
71 A12
72 A11
73 A10
74 A9
75 A8
76 A7
77 CKIO
78 VDDQ
79 VSSQ
80 A6
81 A5
82 A4
83 A3
84 A2
85 DRAK1
86 DRAK0
87 VDDQ
88 VSSQ
89 CS3
90 CS2
91 VDD
92 VSS
93 RAS
94 RD/CASS/FRAME
95 RD/WR
96 WE2/CAS2/DQM2/ICIORD
97 WE3/CAS3/DQM3/ICIOWR
I/O Description
I/O Data bus
O Clock enable
- Positive power supply connection terminal (+3.3V)
- GND connection terminal
O
O
O D15~D0 choice output
O D15~D0 choice output
O Address bus
O Address bus
O Address bus
- Positive power supply connection terminal (+1.8V)
- GND connection terminal
O Address bus
O Address bus
- Positive power supply connection terminal (+3.3V)
- GND connection terminal
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O Clock output
- Positive power supply connection terminal (+3.3V)
- GND connection terminal
O Address bus
O Address bus
O Address bus
O Address bus
O Address bus
O
O
- Positive power supply connection terminal (+3.3V)
- GND connection terminal
O Chip select 3 output
O Chip select 2 output
- Positive power supply connection terminal (+1.8V)
- GND connection terminal
O SDRAM RAS control output
O SDRAM CAS control output
O Read/Write control output
O D31~D16 choice output
O D31~D16 choice output
KNA-DV2200
Processing Operation
Connected to VCC3 lines.
Connected to GND lines.
Not used (N.C.)
Not used (N.C.)
Connected to VCC1.8 lines.
Connected to GND lines.
Connected to VCC3 lines.
Connected to GND lines.
Connected to VCC3 lines.
Connected to GND lines.
Not used (N.C.)
Not used (N.C.)
Connected to VCC3 lines.
Connected to GND lines.
Lo : Selected (SDRAM)
Not used (N.C.)
Connected to VCC1.8 lines.
Connected to GND lines.
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