AT89C5115 Atmel Corporation, AT89C5115 Datasheet - Page 78

• Manufacturer Part Number: AT89C5115
• Manufacturer: Atmel Corporation

Specifications of AT89C5115

• Flash (kbytes): 16 Kbytes
• Max. Operating Frequency: 40 MHz
• Cpu: 8051-12C
• Max I/o Pins: 20
• Uart: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 62.5
• Sram (kbytes): 0.5
• Eeprom (bytes): 2048
• Self Program Memory: API
• Operating Voltage (vcc): 3.0 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

PCA Registers
78
AT89C5115
Table 53. CMOD Register
CMOD (S:D9h)
PCA Counter Mode Register
Reset Value = 0XXX X000b
Bit Number
CIDL
7
2-1
7
6
5
4
3
0
Mnemonic
6
CPS1:0
-
CIDL
ECF
Bit
-
-
-
-
Description
PCA Counter Idle Control bit
Clear to let the PCA run during Idle mode.
Set to stop the PCA when Idle mode is invoked.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
EWC Count Pulse Select bits
CPS1 CPS0 Clock source
0
0
1
1
Enable PCA Counter Overflow Interrupt bit
Clear to disable CF bit in CCON register to generate an interrupt.
Set to enable CF bit in CCON register to generate an interrupt.
5
-
0
1
0
1
4
-
Internal Clock, FPca/6
Internal Clock, FPca/2
Timer 0 overflow
External clock at ECI/P1.2 pin (Max. Rate = FPca/4)
3
-
CPS1
2
CPS0
1
4128G–8051–02/08
ECF
0