Read Sony HS-KP1 Service Manual online
HS-KP1
35
• IC Pin Function Descriptions
KP LCD BOARD (1/4) IC3610 MB91F467RAPMC-GE1 (SYSTEM CONTROL)
KP LCD BOARD (1/4) IC3610 MB91F467RAPMC-GE1 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
VSS GND
—
Ground
2 to 5
NO USE
O
Not used. (Open)
6
I2C_SDA
I/O
I2C SDA signal input/output
7
I2C_SCL
O
I2C SCL signal output
8
RTC_INTR
I
RTC INTR signal input
9
RTC_CE
O
RTC CE signal output
10
OKI_RESET
O
OKI reset signal output
11, 12
VCC3 +3.3V
—
Power supply pin (+3.3 V)
13
VSS GND
—
Ground
14
-
—
Regulator reference capacitor connecting pin
15
YAMAHA FLASH CE
O
YAMAHA CGROM chip select signal output
16
FLASH_WP
O
CGROM write protect signal output
17
NO USE
O
Not used. (Open)
18
YAMAHA CE
O
YAMAHA chip select signal output
19
SRAM CE
O
S-RAM chip select signal output
20
NO USE
O
Not used. (Open)
21
YAMAHA RESET
O
YAMAHA reset signal output
22
YAMAHA WAIT_N
I
YAMAHA WAIT_N signal input
23
YAMAHA READY_N
I
YAMAHA READY_N signal input
24
NO USE
O
Not used. (Open)
25
SRAM OE,UB,LB/YA-
MAHA RD_N/EXT_ROM
OE
O
S-RAM OE, UB, LB/YAMAHA RD_N/EXT_ROM OE signal output
26
SRAM LB,WE
O
S-RAM LB, WE signal output
27
SRAM UB,WE/YAMAHA
WR_N/EXT_ROM WE
O
S-RAM UB,WE/YAMAHA WR_N/EXT_ROM WE signal output
28
NO MIX
O
Not used. (Fixed at L)
29 to 35
NO USE
O
Not used. (Open)
36
VCC3 +3.3V
—
Power supply pin (+3.3 V)
37
-
—
Regulator reference capacitor connecting pin
38
VSS GND
—
Ground
39
X0 4MHz
I
Main clock signal input (4 MHz)
40
X1 4MHz
O
Main clock signal output (4 MHz)
41
VSS GND
—
Ground
42
X0A
I
Not used. (Fixed at L)
43
NO USE
O
Not used. (Open)
44
VCC3 +3.3V
—
Power supply pin (+3.3 V)
45
VSS GND
—
Ground
46
SRAM IO0/EXT_
ROMD00
I/O
S-RAM IO0/EXT_ROMD00 signal input/output
47
SRAM IO1/EXT_
ROMD01
I/O
S-RAM IO1/EXT_ROMD01 signal input/output
48
SRAM IO2/EXT_
ROMD02
I/O
S-RAM IO2/EXT_ROMD02 signal input/output
49
SRAM IO3/EXT_
ROMD03
I/O
S-RAM IO3/EXT_ROMD03 signal input/output
50
SRAM IO4/EXT_
ROMD04
I/O
S-RAM IO4/EXT_ROMD04 signal input/output
51
SRAM IO5/EXT_
ROMD05
I/O
S-RAM IO5/EXT_ROMD05 signal input/output
52
SRAM IO6/EXT_
ROMD06
I/O
S-RAM IO6/EXT_ROMD06 signal input/output
53
SRAM IO7/EXT_
ROMD07
I/O
S-RAM IO7/EXT_ROMD07 signal input/output
54
SRAM IO8/YAMAHA D0/
EXT_ROMD08
I/O
S-RAM IO8/YAMAHA D0/EXT_ROMD08 signal input/output
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