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S3C72E8 Datasheet(PDF) 5 Page - Samsung semiconductor

Part No. S3C72E8
Description  The S3C72E8/P72E8 is a SAM47 core-based 4-bit CMOS single-chip microcontroller. It has a timer/counter and LCD drivers.
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Maker  SAMSUNG [Samsung semiconductor]
Homepage  http://www.samsung.com/Products/Semiconductor
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S3C72E8/P72E8
PRODUCT OVERVIEW
1-5
PIN DESCRIPTIONS
Table 1-1. Pin Descriptions
Pin Name
Pin
Type
Description
Circuit
Type
Pin
Number
Share Pin
P0.0 - P0.3
I
4-bit input port.
1 and 4-bit read, and test are possible.
Pull-up registers.
A-1
35-32
K0-K3
P1.0
P1.1
I
2-bit Input port.
1 and 4-bit read, and test are possible, 2-bit pull-up
resistors are assignable by software.
A-3
37
36
INT0
INT1
P2.0
P2.1
I/O
2-bit I/O port. 1 and 4-bit read/write, and test are
possible.
Each individual pin can be specified as input or
output.
2-bit pull-up resistors are assignable by software.
Pull-up resistors are automatically disabled for
output pins.
D
23
24
BUZ
CLO
P4.0
P4.1
P4.2
P5.0 - P5.3
I/O
4-bit I/O port. 1, 4, and 8-bit read/write, and test are
possible.
4-pin unit can be specified as input or output.
4-bit pull-up resistors are assignable by software.
Pull-up resistors are automatically disabled for
output pins.
Individual pins are software configurable as open-
drain or push-pull output.
E
E-1
E-1
E-1
29
30
31
25-28
TCL0
TCLO0
P6.0 - P6.3
I/O
4-bit I/O port. 1, 4,and 8-bit read/write, and test are
possible.
Each individual pin can be specified as input or
output.
4-bit pull-up resistors are assignable by software.
Pull-up resistors are automatically disabled for
output pins.
D-1
7-10
KS0 - KS3
P7.0 - P7.3
4-bit I/O port. 1, 4, and 8-bit read/write, and test are
possible.
4-pin unit can be specified as input or output.
4-bit pull-up resistors are assignable by software.
Pull-up resistors are automatically disabled for
output pins.
11-14
KS4 - KS7
P8.0 - P8.15
O
4-bit controllable output.
(Dual function as segment output pins)
H-9
42-57
SEG0 -
SEG15
SEG16-SEG59
LCD segment display signal output.
H-10
58-100
,1
-
SEG0 - SEG15
LCD segment display signal output.
H-9
42-57
P8.0 - P8.15
COM0 - COM8
LCD common signal output.
H-11
38-41
2-6
-
INT0 - INT1
I
External interrupts. The triggering edge for INT0,
and INT1 is selectable
37-36
P1.0 -P1.1
KS0 - KS7
I/O
Quasi-interrupt input for falling edge detection.
7-14
P6.0 - P7.3
K0 - K3
I
Vector interrupt input
K0 - K3: falling edge detection
35-32
P0.0 - P0.3




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