AT89C5131A-RDTIL Atmel, AT89C5131A-RDTIL Datasheet - Page 3

• Manufacturer Part Number: AT89C5131A-RDTIL
• Description: IC 8051 MCU FLASH 32K USB 64VQFP
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5131A-RDTIL

• Core Processor: C52X2
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART, USB
• Peripherals: LED, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• For Use With: AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -
• Other names: AT89C5131-RDTIL

Block Diagram
Notes:
4338A–USB–08/04
1. Alternate function of Port 1
2. Alternate function of Port 3
3. Alternate function of Port 4
XTAL1
XTAL2
PSEN
ALE
WR
EA
RD
(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
AT89C5131A-L
(1) (1) (1) (1)
Regu-
lator
SPI
VREF
3