S3C72P9 Просмотр технического описания (PDF) - Samsung
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S3C72P9 Datasheet PDF : 225 Pages
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S3C72P9/P72P9 (Preliminary Spec)
PRODUCT OVERVIEW
PIN DESCRIPTIONS
Pin Name
P0.0
P0.1
P0.2
P0.3
P1.0
P1.1
P1.2
P1.3
P2.0
P2.1
P2.2
P3.0
P3.1
P3.2
P3.3
P4.0–P4.3
P5.0–P5.3
P6.0–P6.3
P7.0–P7.3
P8.0–P8.3
P9.0–P9.3
SCK
SO
SI
BUZ
INT0, INT1
Pin Type
I/O
I
I/O
I/O
I/O
I/O
Table 1-1. S3C72P9/P72P9 Pin Descriptions
Description
Number
4-bit I/O port.
11
1-bit and 4-bit read/write and test are possible.
12
Individual pins are software configurable as input or
13
output.
14
Individual pins are software configurable as open-
drain or push-pull output.
4-bit pull-up resistors are software assignable; pull-up
resistors are automatically disabled for output pins.
4-bit input port.
23
1-bit and 4-bit read and test are possible.
24
4-bit pull-up resistors are assignable by software.
25
26
Same as port 0 except that port 2 is 3-bit I/O port.
27
28
29
Same as port 0.
30
31
32
33
4-bit I/O ports.
1-, 4-bit or 8-bit read/write and test are possible.
Individual pins are software configurable as input or
output.
4-bit pull-up resistors are software assignable; pull-up
resistors are automatically disabled for output pins.
42–45
46–49
Same as P4, P5.
50–53
Share Pin
SCK/K0
SO/K1
SI/K2
BUZ/K3
INT0
INT1
INT2
INT4
CLO
LCDCK
LCDSY
TCLO0
TCLO1
TCL0
TCL1
COM8–
COM11
COM12–
COM15
SEG55/K4–
SEG52/K7
I/O
Same as P4, P5.
I/O
Serial I/O interface clock signal.
54–57
58–61
62–65
11
SEG51–
SEG48
SEG47–
SEG44
SEG43–
SEG40
P0.0/K0
I/O
Serial data output.
12
P0.1/K1
I/O
Serial data input.
13
P0.2/K2
I/O
2 kHz, 4 kHz, 8 kHz or 16 kHz frequency output for
14
buzzer signal.
P0.3/K3
I
External interrupts. The triggering edge for INT0 and 23, 24 P1.0, P1.1
INT1 is selectable.
1–5
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