AT89C51IC2 Atmel Corporation, AT89C51IC2 Datasheet - Page 42

• 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

42
AT89C51IC2
Table 31. CCAPnL Registers (n = 0-4)
CCAP0L - PCA Module 0 Compare/Capture Control Register Low (0EAh)
CCAP1L - PCA Module 1 Compare/Capture Control Register Low (0EBh)
CCAP2L - PCA Module 2 Compare/Capture Control Register Low (0ECh)
CCAP3L - PCA Module 3 Compare/Capture Control Register Low (0EDh)
CCAP4L - PCA Module 4 Compare/Capture Control Register Low (0EEh)
Reset Value = 0000 0000b
Not bit addressable
Table 32. CH Register
CH - PCA Counter Register High (0F9h)
Reset Value = 0000 0000b
Not bit addressable
Table 33. CL Register
CL - PCA Counter Register Low (0E9h)
Reset Value = 0000 0000b
Not bit addressable
Number
Number
Number
Bit
Bit
Bit
7-0
7-0
7-0
7
7
7
-
-
-
Mnemonic Description
Mnemonic Description
Mnemonic Description
Bit
Bit
Bit
6
6
6
-
-
-
-
-
-
PCA Module n Compare/Capture Control
CCAPnL Value
PCA counter
CH Value
PCA Counter
CL Value
5
5
5
-
-
-
4
4
4
-
-
-
3
3
3
-
-
-
2
2
2
-
-
-
1
1
1
-
-
-
4301D–8051–02/08
0
0
0
-
-
-