KS57C2308/P2308/C2316/P2316 PRODUCT OVERVIEW
1-5
PIN DESCRIPTIONS
Table 1-1. KS57C2308/C2316 Pin Descriptions
Pin Name Pin
Type Description Number Share
Pin Reset
Value Circuit
Type
P0.0
P0.1
P0.2
P0.3
I
I/O
I/O
I
4-bit input port.
1-bit and 4-bit read and test are possible.
4-bit pull-up resistors are software assignable.
20
21
22
23
INT4
SCK
SO
SI
Input A-1
D *
D *
A-1
P1.0
P1.1
P1.2
P1.3
I4-bit input port.
1-bit and 4-bit read and test are possible.
4-bit pull-up resistors are software assignable.
24
25
26
27
INT0
INT1
INT2
TCL0
Input A-1
P2.0
P2.1
P2.2
P2.3
I/O 4-bit I/O port.
1-bit and 4-bit read/write and test are possible.
4-bit pull-up resistors are software assignable.
28
29
30
31
TCLO0
–
CLO
BUZ
Input D
P3.0
P3.1
P3.2
P3.3
I/O 4-bit I/O port.
1-bit and 4-bit read/write and test are possible.
Each individual pin can be specified as input
or output. 4-bit pull-up resistors are software
assignable.
32
33
34
35
LCDCK
LCDSY Input D
P4.0–
P4.3
P5.0–
P5.3
I/O 4-bit I/O ports. N-channel open-drain output up
to 5 V. 1-, 4-, and 8-bit read/write and test are
possible. Ports 4 and 5 can be paired to
support 8-bit data transfer. 4-bit pull-up
resistors are software assignable.
36–43 – Input E
P6.0–
P6.3
P7.0–
P7.3
I/O 4-bit I/O ports. Port 6 pins are individually
software configurable as input or output. 1-bit
and 4-bit read/write and test are possible. 4-bit
pull-up resistors are software assignable. Ports
6 and 7 can be paired to enable 8-bit data
transfer.
44–51 KS0–KS3
KS4–KS7 Input D *
P8.0–
P8.7 OOutput port for 1-bit data (for use as CMOS
driver only) 59–52 SEG24–
SEG31 Output H-16
SEG0–
SEG23 OLCD segment signal output 3–1,
80–60 –Output H-15
SEG24–
SEG31 OLCD segment signal output 59–52 P8.0–P8.7 Output H-16
COM0–
COM3 OLCD common signal output 4–7 – Output H-15
VLC0–VLC2 –LCD power supply. Voltage dividing resistors
are assignable by mask option 9–11 SCLK
SDAT – –
BIAS –LCD power control 8 – – –
LCDCK I/O LCD clock output for display expansion 32 P3.0 Input D