AT89C5131A-RDTIM Atmel, AT89C5131A-RDTIM Datasheet - Page 3
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
AT89C5131A-RDTIM
Manufacturer Part Number
AT89C5131A-RDTIM
Description
C5131A 32K FLASH USB VQFP64 IND, 5V
Manufacturer
Atmel
Datasheet
1.AT89C5131A-RDTIM.pdf
(176 pages)
- Current page: 3 of 176
- Download datasheet (3Mb)
Block Diagram
Notes:
4136C–USB–04/05
1. Alternate function of Port 1
2. Alternate function of Port 3
3. Alternate function of Port 4
XTAL1
XTAL2
PSEN
ALE
WR
RD
EA
(2)
(2)
CPU
(2) (2)
(2)
Timer 0
Timer 1
EUART
BRG
(2)
+
CORE
C51
(2) (2)
256x8
RAM
Ctrl
INT
32Kx8 Flash
Port 0Port 1 Port 2 Port 3
Parallel I/O Ports & Ext. Bus
EEPROM
4Kx8
Port 4
ERAM
1Kx8
(1)
(1)
PCA
Board
Key
(1) (1)
Timer2
Watch
Dog
TWI
USB
(1) (1) (1) (1)
Regu-
AT89C5131
lator
SPI
VREF
3
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