KNA-DV
2200
0
7
IC110 : MAIN UNIT
Pin No.
Pin Name
I/O
Description
Processing Operation
1
P04 (TEL-CGON)
O
Power supply circuit control output
Hi : Power supply circuit ON
2
P05 (TEL-CHAG)
I
Power supply circuit ON request input
Hi : Start request
3
P06 (ACC ON)
O
ACC ON output to IO PLUS
Lo : ACC ON
4
P07 (B UP)
O
Backup condition set-up output
Lo : Backup condition
5
MODE0
-
Not used (connected to GND lines)
6
MODE1
-
Not used (connected to GND lines)
7
RST
I
RESET input (connected with RESET SW on the panel)
Lo : Reset
8
XO
O
Resonator connection terminal
9
XI
I
Resonator connection terminal
10
VSS
-
GND connection terminal
Connected to GND lines.
11
P37 (POWER ON)
O
P ON output
Hi : Power ON
12
P36 (WDP)
I
WDP input
Detection of pulse edge
13
P35 (ACC)
I
ACC detection input
Hi : ACC ON
14
P34 (BU)
I
Momentary power down detection
Hi : BU ON
15
P33 (CKE)
I
CKE from SH4
Lo : SDRAM self-refresh,
Hi : SDRAM normal operation
16
C
-
Capacitor connection terminal
17
P32 (IOPFLWR)
O
Not used (N.C.)
18
P31 (ST1)
I
Status input 1 from SH4
19
P30 (ST0)
I
Status input 0 from SH4
20
P50 (IORES)
O
IO PLUS reset output
Lo : Reset
21
AVSS
-
GND connection terminal
Connected to GND lines.
22
P40 (VCC3ON)
O
VCC3D selection terminal (Normal)
Lo : Normal operation
23
P41 (BVC3ON)
O
VCC3D selection terminal (Backup)
Lo : Backup mode
24
P42 (RMUTE)
O
Mute output at Power ON/OFF
Lo : Mute ON
25
P43 (RES3)
O
NAVI reset output (VCC3 system reset signal)
Lo : Reset
26
P00 (SH4NMI)
O
NMI output to SH4
Hi
→
Lo : Back up request to SH4
27
P01 (TEL-OVER)
I
Output voltage watch of power supply circuit
Lo : Output imprudence
28
P02 (6.8VDET)
I
Output voltage watch of 6.8V power line (CDHVCC)
Hi : Output voltage OK
29
P03 (3.3VDET)
I
Output voltage watch of 3.3V power line (VCC3)
Hi : Output voltage OK
30
VCC
-
Positive power supply connection terminal
Connected to Backup power supply.
IC201 : MAIN UNIT
Pin No.
Pin Name
I/O
Description
Processing Operation
1
RDY
I
RDY input
2
RESET
I
Reset input
Lo : Reset
3
CS0
O
Chip select 0 output
Lo : Selected (BOOT ROM)
4
CS1
O
Chip select 1 output
Lo : Selected (SRAM)
5
CS4
O
Chip select 4 output
Lo : Selected (IO PLUS)
6
CS5
O
Chip select 5 output
Not used (N.C.)
7
CS6
O
Chip select 6 output
Lo : Selected (CF Card)
8
BS
O
Bus start
9
VDDQ
-
Positive power supply connection terminal (+3.3V)
Connected to VCC3 lines.
MICROCOMPUTER’S TERMINAL DESCRIPTION