AT89C51IC2 Atmel Corporation, AT89C51IC2 Datasheet - Page 36

• 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

Figure 11. PCA Timer/Counter
36
AT89C51IC2
Fclk periph / 2
Fclk periph /6
Idle
T0 OVF
P1.2
CIDL
CF
WDTE
CR
CCF4 CCF3 CCF2 CCF1 CCF0
CPS1 CPS0
CH
16 bit up counter
ECF
CL
CMOD
0xD9
CCON
0xD8
overflow
To PCA
modules
It
4301D–8051–02/08