KS57C2308/P2308/C2316/P2316
PIN DESCRIPTIONS
Pin Name
Pin
Type
P0.0
I
4-bit input port.
P0.1
I/O
1-bit and 4-bit read and test are possible.
P0.2
I/O
4-bit pull-up resistors are software assignable.
P0.3
I
P1.0
I
4-bit input port.
P1.1
1-bit and 4-bit read and test are possible.
P1.2
4-bit pull-up resistors are software assignable.
P1.3
P2.0
I/O
4-bit I/O port.
P2.1
1-bit and 4-bit read/write and test are possible.
P2.2
4-bit pull-up resistors are software assignable.
P2.3
P3.0
I/O
4-bit I/O port.
P3.1
1-bit and 4-bit read/write and test are possible.
P3.2
Each individual pin can be specified as input
P3.3
or output. 4-bit pull-up resistors are software
assignable.
P4.0–
I/O
4-bit I/O ports. N-channel open-drain output up
P4.3
to 5 V. 1-, 4-, and 8-bit read/write and test are
P5.0–
possible. Ports 4 and 5 can be paired to
P5.3
support 8-bit data transfer. 4-bit pull-up
resistors are software assignable.
P6.0–
I/O
4-bit I/O ports. Port 6 pins are individually
P6.3
software configurable as input or output. 1-bit
P7.0–
and 4-bit read/write and test are possible. 4-bit
P7.3
pull-up resistors are software assignable. Ports
6 and 7 can be paired to enable 8-bit data
transfer.
P8.0–
O
Output port for 1-bit data (for use as CMOS
P8.7
driver only)
SEG0–
O
LCD segment signal output
SEG23
SEG24–
O
LCD segment signal output
SEG31
COM0–
O
LCD common signal output
COM3
V
–V
–
LCD power supply. Voltage dividing resistors
LC0
LC2
are assignable by mask option
BIAS
–
LCD power control
LCDCK
I/O
LCD clock output for display expansion
Table 1-1. KS57C2308/C2316 Pin Descriptions
Description
PRODUCT OVERVIEW
Number
Share
Pin
20
INT4
21
SCK
22
SO
23
SI
24
INT0
25
INT1
26
INT2
27
TCL0
28
TCLO0
29
–
30
CLO
31
BUZ
32
LCDCK
33
LCDSY
34
35
36–43
–
44–51
KS0–KS3
KS4–KS7
59–52
SEG24–
SEG31
3–1,
–
80–60
59–52
P8.0–P8.7
4–7
–
9–11
SCLK
SDAT
8
–
32
P3.0
Reset
Circuit
Value
Type
Input
A-1
*
D
*
D
A-1
Input
A-1
Input
D
Input
D
Input
E
*
Input
D
Output
H-16
Output
H-15
Output
H-16
Output
H-15
–
–
–
–
Input
D
1-5