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MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No.
Pin Name
I/O
20
NC
21
LX_REQ_S
I
22
LX_DATA_S
I
23
LX_DATA_M
O
24
LX_CLK
O
25
NC
26
TEST MODE_DET
I
27,28
NC
29
LX_CON
O
30
LX_REQ_M
O
31
LX_MUTE
I
32
LX_RST
O
33
EVSS
-
34
EVDD
-
35
USB_SDA
I/O
36
USB_CLK
I/O
37~42
NC
43
ROM_SDA
I/O
44
ROM_CLK
O
45
LCD_CE
O
46
BEEP
O
47
PRIM_REMO
I
48
LCD_BLK
O
49
ROM_DET
I
50
LCD_DI
I
51
LCD_DO
O
52
LCD_CLK
O
53
NC
54
NC
55
NC
56
POWER_ON_DET
I
57
KEY_REQ
I
58
ACC_DET
I
59,60
NC
O
61
PLL_CE
O
Application
Not used
Communication request from slave unit
Data from slave unit
Data to slave unit
LX BUS clock
Not used
TEST mode detection
Not used
Start-up request to slave unit
Communication request to the slave unit
MUTE request from slave unit
Hardware-reset to slave unit
VSS
VDD
For communication with USB system
I2C data input/output terminal
For communication with USB system
I2C clock output terminal
Not used
E2PROM I2C data input/output terminal
for ROM correction
E2PROM I2C clock output terminal for ROM correction
LCD driver control request terminal
BEEP output
Attached remote control signal input
LCD data blanking output (RESET)
E2PROM writing-in request
LCD data input terminal
LCD data output terminal
LCD clock output terminal
Not used
E-VOL data output terminal
E-VOL clock output terminal
Power ON/OFF switching
Communication request from LCD driver
ACC power supply detection
SW-Reg frequency switching
Chip-enable output terminal for PLL communication
KOS-A200
Truth Value
Processing Operation Description
Table
Output L fixed
Output L fixed
H: Normal, L: TEST MODE
Output L fixed
H: Slave unit ON, L: Slave unit OFF
H: Mute ON, L: Mute OFF
OPEN: At RESET, L: Normally
Connect to VSS
Connect to VDD
Output L fixed
[Reserved]
PWM output
Detect pulse width
[Reserved]
L: Writing-in
[Reserved] Output L fixed
[Reserved] Output L fixed
[Reserved] Output L fixed
Output L fixed
Output L fixed
Output L fixed
H: Power ON (Detect 30msec chartering)
L: Power OFF (Detect 1sec chartering)
[Reserved] Connect to LCD_DI, Output L fixed
L: ACC found, H: ACC not found
u
[Reserved] Refer to the truth value table
H: Data found, L: Data not found
5
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