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