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AT89C5131A-L(2004) 데이터 시트보기 (PDF) - Atmel Corporation
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AT89C5131A-L
(Rev.:2004)
8-bit Flash Microcontroller with Full Speed USB Device
Atmel Corporation
AT89C5131A-L Datasheet PDF : 34 Pages
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Block Diagram
AT89C5131A-L
XTAL1
XTAL2
ALE
PSEN
EA
RD
(2)
WR
(2)
(2) (2)
(1) (1) (1) (1)
(1) (1) (1) (1)
EEPROM ERAM
EUART
+
BRG
RAM
256x8
32Kx8 Flash
4Kx8
1Kx8
PCA Timer2 TWI
SPI
CPU
C51
CORE
Timer 0 INT
Timer 1 Ctrl
Parallel I/O Ports & Ext. Bus
Port 0Port 1 Port 2 Port 3 Port 4
(2) (2) (2) (2)
Key
Board
Watch
Dog
USB
Regu-
lator
VREF
Notes: 1. Alternate function of Port 1
2. Alternate function of Port 3
3. Alternate function of Port 4
3
4338A–USB–08/04
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