49
XTL-W7000
MAIN BOARD IC1701 M38B79FFFP-A201 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
B.UP_A/D_CHK
I
Battery voltage check terminal (A/D input)
2
ANGLE
I
Monitor angle sensor input (A/D input)
3
TMP
I
Temperature detect sensor for monitor open/close section input terminal
(A/D input)
4
CLOSE_SW
I
Monitor close detect switch of slide section input terminal
5
AD_ON
O
A/D converter power control signal output terminal
6
ANGLE_SW
I
Monitor angle detect switch input terminal
7
NC
O
Not used
8
EVOL_DATA
O
Serial data output to the electrical volume
9
EVOL_CLK
O
Serial data transfer clock signal output to the electrical volume
10
NICAM
O
TV/FM switching control signal output to the TV tuner unit (PAL model only)
11
SM
I
Signal-meter voltage detection signal input from the TV tuner unit (A/D input)
12
OSD_CLK
O
Serial data transfer clock signal output to the OSD controller
13
OSD_DATA
_OUT
O
Serial data output to the OSD controller
14
NC
I
Not used
15
OSD_CE
O
Chip enable signal output to the OSD controller
16
HSY
I
Horizontal synchronize signal input terminal
17
CNVSS
-
Ground terminal
18
RESET
I
System reset signal input from the reset signal generator or reset switch or SONY bus
"L": reset For several hundreds msec. after the power supply rises, "L" is input, then it
changes to "H"
19
SCLK
O
Serial data transfer clock signal output to the EEPROM
20
SDA
I/O
Serial data input/output terminal with the EEPROM
21
VSS
-
Ground terminal
22
XIN
I
System clock input terminal (4.19 MHz)
23
XOUT
O
System clock output terminal (4.19 MHz)
24
VCC
-
Power supply terminal (+5V)
25
S_BUS
I
Back up power supply detection signal input from the SONY bus interface IC
"L" is input at low voltage
26
SIRCS
I
SIRCS signal input terminal
27
OSD_RST
O
Reset signal output to the OSD controller
28
BEEP
O
Beep sound signal output terminal
29
ACC_IN_VSY
I
Accessory power detection signal input, and vertical synchronize signal input terminal
30
BU_IN
I
Battery voltage detection input terminal
31
BUSON_IN
I
SONY bus on/off control signal input terminal "L": bus on
32
KEYACK
I
Acknowledge signal (wake up signal) input terminal for the key entry
33
BUSY
O
Busy signal output terminal (for flash memory writing)
34
SCLK
I
Serial data transfer clock signal input terminal (for flash memory writing)
35
TXD
O
Transmit data output terminal for UART communication when data writing to flash
memory
36
SDA/RXD
I
Receive data input terminal for UART communication when data writing to flash memory
37
ACC_IN
I
Accessory power detection signal input terminal
38
NC
O
Not used
39
FM_CE
O
Chip enable signal output to the FM stereo transmitter
40
FM_CLK
O
Serial data transfer clock signal output to the FM stereo transmitter
•
IC Pin Function Description
