AT89C51RE2 Atmel Corporation, AT89C51RE2 Datasheet - Page 89

• Manufacturer Part Number: AT89C51RE2
• Manufacturer: Atmel Corporation

Specifications of AT89C51RE2

• Flash (kbytes): 128 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Spi: 1
• Uart: 2
• Sram (kbytes): 8.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART/OCD
• Watchdog: Yes

7663E–8051–10/08
Table 59. 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 60. CH Register
CH - PCA Counter Register High (0F9h)
Reset Value = 0000 0000b
Not bit addressable
Table 61. 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
Mnemonic
Mnemonic
Bit
Bit
Bit
6
6
6
-
-
-
-
-
-
Description
PCA Module n Compare/Capture Control
Description
PCA counter
Description
PCA Counter
5
5
5
-
-
-
CCAPnL Value
CH Value
CL Value
4
4
4
-
-
-
3
3
3
-
-
-
2
2
2
-
-
-
AT89C51RE2
1
1
1
-
-
-
0
0
0
-
-
-
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