AT83C5136 Atmel Corporation, AT83C5136 Datasheet - Page 3

• Manufacturer Part Number: AT83C5136
• Manufacturer: Atmel Corporation

Specifications of AT83C5136

• Max. Operating Frequency: 32 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Eeprom (bytes): 512
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 4
• Mask Rom (kbytes): 32
• Watchdog: Yes

3. Block Diagram
Notes:
7683C–USB–11/07
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
* EEPROM only available in MLF48
(2) (2)
(2)
Timer 0
Timer 1
EUART
BRG
(2)
+
CORE
C51
(2) (2)
256x8
RAM
Ctrl
INT
32Kx8 ROM
Port 0Port 1 Port 2 Port 3
Parallel I/O Ports & Ext. Bus
ERAM
1Kx8
(1)
Port 4
(1)
PCA
(1) (1)
Timer2
Board
Key
TWI interface
EEPROM*
1Kx8
Watch
Dog
AT83C5134/35/36
USB
TWI
(1) (1) (1) (1)
SPI
3