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AT89C5131A-L 데이터시트 PDF : 부품 기능 및 핀배열

부품번호 AT89C5131A-L
기능 8-bit Flash Microcontroller
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AT89C5131A-L 데이터시트 및 AT89C5131A-L PDF

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AT89C5131A-L pdf, 반도체, 판매, 대치품
Pinout Description
Pinout
Figure 1. AT89C5131A-L 52-pin PLCC Pinout
7 6 5 4 3 2 1 52 51 50 49 48 47
P4.1/SDA 8
P2.3/A11 9
P2.4/A12 10
P2.5/A13 11
XTAL2
XTAL1
P2.6/A14
12
13
14
P2.7/A15 15
VDD 16
AVDD 17
NC 18
PLCC52
46
45
44
43
42
41
40
39
38
37
36
AVSS 19
35
P3.0/RxD
20
21 22
23 24 25 26 27 28 29 30 31 32
34
33
NC
P0.1/AD1
P0.2/AD2
RST
P0.3/AD3
VSS
P0.4/AD4
P3.7/RD/LED3
P0.5/AD5
P0.6/AD6
P0.7/AD7
P3.6/WR/LED2
NC
4 AT89C5131A-L
4338F–USB–08/07

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AT89C5131A-L 전자부품, 판매, 대치품
4338F–USB–08/07
AT89C5131A-L
Table 4. Timer 0, Timer 1 and Timer 2 Signal Description (Continued)
Signal
Name Type Description
Timer Counter 0 External Clock Input
T0 I When Timer 0 operates as a counter, a falling edge on the T0 pin
increments the count.
Timer/Counter 1 External Clock Input
T1 I When Timer 1 operates as a counter, a falling edge on the T1 pin
increments the count.
I Timer/Counter 2 External Clock Input
T2
O Timer/Counter 2 Clock Output
T2EX
I Timer/Counter 2 Reload/Capture/Direction Control Input
Alternate
Function
P3.4
P3.5
P1.0
P1.1
Table 5. LED Signal Description
Signal
Name Type Description
Alternate
Function
LED[3:0]
Direct Drive LED Output
These pins can be directly connected to the Cathode of standard LEDs
O without external current limiting resistors. The typical current of each
output can be programmed by software to 2, 6 or 10 mA. Several outputs
can be connected together to get higher drive capabilities.
P3.3
P3.5
P3.6
P3.7
Table 6. TWI Signal Description
Signal
Name
SCL
SDA
Type Description
SCL: TWI Serial Clock
I/O SCL output the serial clock to slave peripherals.
SCL input the serial clock from master.
I/O
SDA: TWI Serial Data
SCL is the bidirectional TWI data line.
Alternate
Function
P4.0
P4.1
Table 7. SPI Signal Description
Signal
Name
SS
MISO
SCK
MOSI
Type Description
Alternate
Function
I/O SS: SPI Slave Select
P1.1
MISO: SPI Master Input Slave Output line
I/O When SPI is in master mode, MISO receives data from the slave
peripheral. When SPI is in slave mode, MISO outputs data to the master
controller.
P1.5
SCK: SPI Serial Clock
I/O
SCK outputs clock to the slave peripheral or receive clock from the master
P1.6
I/O MOSI: SPI Master Output Slave Input line
When SPI is in master mode, MOSI outputs data to the slave peripheral.
When SPI is in slave mode, MOSI receives data from the master controller
P1.7
7

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