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參數(shù)資料
| 型號： | S3C9644XX-QZ |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | 10 X 10 MM, QFP-44 |
| 文件頁數(shù)： | 23/26頁 |
| 文件大小： | 179K |
| 代理商： | S3C9644XX-QZ |
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PRODUCT OVERVIEW
S3C9644/C9648/P9648
1-6
PIN DESCRIPTIONS
Table 1-1. S3C9644/C9648/P6408 Pin Descriptions
Pin
Names
Pin
Type
Pin
Description
Circuit
Number
Pin
Numbers
Share
Pins
P0.0-P0.7
I/O
Bit-programmable I/O port for Schmitt trigger input
or open-drain output. Port0 can be individually
configured as external interrupt inputs. Pull-up
resistors are assignable by software.
B
36-29
(30-23)
INT2
P1.0-P1.7
I/O
Bit-programmable I/O port for Schmitt trigger input
or open-drain output. Pull-up resistors are
assignable by software.
B
28-21
(22-15)
–
P2.0-P2.7
I/O
Bit-programmable I/O port for Schmitt trigger input
or open-drain output. Port2 can be individually
configured as external interrupt inputs. Pull-up
resistors are assignable by software.
B
3-10
(41-44, 1-4)
INT0
P3.0-P3.3
I/O
Bit-programmable I/O port for Schmitt trigger input,
open-drain or push-pull output. P3.3 can be used to
system clock output(CLO) pin.
C
2, 1, 42, 41
(40-37)
P3.3/CL
O
P4.0-P4.3
I/O
Bit-programmable I/O port for Schmitt trigger input
or open-drain output or push-pull output. Port4 can
be individually configured as external interrupt
inputs. In output mode, pull-up resistors are
assignable by software. But in input mode, pull-up
resistors are fixed.
D
16, 17, 19, 20
(10, 11, 13,
14)
INT1
D+/PS2
D-/PS2
I/O
Programmable port for
USB
interface or PS2 interface.
–
40-39 (36-35)
–
3.3 V
OUT
–
3.3 V output from internal voltage regulator
–
38 (34)
–
XIN, XOUT
–
System clock input and output pin (crystal/ceramic
oscillator, or external clock source)
–
14, 13
(8, 7)
–
INT0
INT1
INT2
I
External interrupt for bit-programmable port0, port2
and port4 pins when set to input mode.
–
3-10, 16,17,
19, 20, 29-36
(30-23, 41-44,
1-4, 10, 11,
13, 14)
PORT2/
PORT4/
PORT0
RESET
I
RESET signal input pin. Input with internal pull-up
resistor.
A
18 (12)
–
TEST
I
Test signal input pin (for factory use only;
connected to VSS)
–
15 (9)
–
V
DD
–
Power input pin
–
11 (5)
–
V
SS
–
Ground input pin
–
12, (6)
–
NC
–
No connection
–
37
(31,32, 33)
–
NOTE: Pin numbers shown in parenthesis '( )' are for the 44-QFP package; others are for the 42-SDIP package.
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