AT89C51IC2 Atmel Corporation, AT89C51IC2 Datasheet - Page 3

• Manufacturer Part Number: AT89C51IC2
• Manufacturer: Atmel Corporation

Specifications of AT89C51IC2

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

Block Diagram
Figure 1. Block Diagram
4301D–8051–02/08
ALE/PROG
XTAL1
XTAL2
PSEN
WR
EA
RD
(2)
(2)
CPU
(1): Alternate function of Port 1
(2): Alternate function of Port 3
(2) (2)
(2)
Timer 0
Timer 1
EUART
BRG
(2)
+
CORE
C51
(2) (2)
RAM
Ctrl
256
INT
x8
IB-bus
Port 0 Port 1
Parallel I/O Ports & Ext Bus
32K x 8
Flash
Port 2
Port 3 Port 12
(1)
(1)
PCA
(1)
Watch
Timer 2
Dog
(1)
Board
Key
Two-Wire
(1)
SPI
(1)
(1)
(1)
3