參數(shù)資料
型號(hào)： S3C8478XX-QZ
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP44
封裝： 10 X 10 MM, QFP-44
文件頁(yè)數(shù)： 21/24頁(yè)
文件大小： 165K
代理商： S3C8478XX-QZ
PRODUCT OVERVIEW
S3C8478/C8475/P8475
1-6
Table 1-1. S3C8478/C8475 Pin Descriptions
Pin
Name
Pin
Type
Pin Description
Circuit
Number
Pin
Number
Share
Pins
P0.0–P0.7
I/O
Nibble-programmable I/O port for Schmitt trigger
input or push-pull, open-drain output. Pull-up
resistors are assignable by software.
E
8-1
(2-1,
43-38)
–
P1.0–P1.5
I/O
Bit-programmable I/O port for Schmitt trigger input
or push-pull output. Pull-up resistors are assignable
by software. Port 1 pin can also by used as
alternative function (T0, T1CK, T1, BUZ, RxD, TxD)
D
42-37
(37-32)
T0, T1CK,
T1, BUZ,
RxD, TxD
P2.0–P2.7
I/O
Bit-programmable I/O port for Schmitt trigger input
or push-pull output. Pull-up resistors are assignable
by software. Port 2 pins can also be used as
external interrupt.
D
19-26
(13-20)
INT0-
INT7
P3.0–P3.7
I/O
Bit-programmable I/O port for Schmitt trigger input
or push-pull output. Pull-up resistors are assignable
by software. Port 3 pins can also be used as A/D
converter by software.
F
29-36
(24-31)
ADC0-
ADC7
P4.0–P4.3
I/O
Bit-programmable I/O port for Schmitt trigger input
or push-pull, open-drain output. Pull-up resistors are
assingable by software.
E
17-16,
10-9
(11-10,
4-3)
–
P4.4–P4.5
O
Push-pull output only
C
(44, 21)
–
X
IN, XOUT
–
Crystal or ceramic oscillator signal for system clock.
–
14, 13
(8, 7)
–
RESET
I
System reset signal input pin.
B
18 (12)
–
TEST
I
Test signal input pin (for factory use only; muse be
connected to V
SS)
–
15 (9)
–
AV
REF,
AV
SS
–
A/D converter reference voltage input and ground
–
27, 28
(22, 23)
–
V
DD, VSS
–
Voltage input pin and ground
–
11, 12
(5, 6)
–
T0
I/O
Timer 0 capture input or PWM output pin
D
42 (37)
P1.0
T1CK
I
Timer 1 external clock input pin
D
41 (36)
P1.1
T1
I/O
Timer 1 capture input or PWM output pin
D
40 (35)
P1.2
BUZ
O
200Hz-20kHz frequency output for buzzer sound
D
39 (34)
P1.3
RxD
I/O
UART receive and transmit input or output
D
38 (33)
P1.4
TxD
O
UART transmit output
D
37 (32)
P1.5
INT0-INT7
I
External interrupt input
E
19-26
(13-20)
P2.0-P2.7
ADC0-
ADC7
I
A/D converter input
F
29-36
(24-31)
P3.0-P3.7
NOTE: Pin numbers shown in parentheses "( )" are for the 44-pin QFP package.
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