AT89C51IC2 Atmel Corporation, AT89C51IC2 Datasheet - Page 34
AT89C51IC2
Manufacturer Part Number
AT89C51IC2
Description
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51IC2-RLTIL
Manufacturer:
ATMEL
Quantity:
640
Company:
Part Number:
AT89C51IC2-RLTIL
Manufacturer:
ATMEL
Quantity:
4 116
Company:
Part Number:
AT89C51IC2-UL
Manufacturer:
XR
Quantity:
2
Company:
Part Number:
AT89C51IC2-UM
Manufacturer:
Atmel
Quantity:
5
34
AT89C51IC2
Table 25. T2MOD Register
T2MOD - Timer 2 Mode Control Register (C9h)
Reset Value = XXXX XX00b
Not bit addressable
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic
DCEN
T2OE
6
-
Bit
-
-
-
-
-
-
Description
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.
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.
Timer 2 Output Enable bit
Cleared to program P1.0/T2 as clock input or I/O port.
Set to program P1.0/T2 as clock output.
Down Counter Enable bit
Cleared to disable timer 2 as up/down counter.
Set to enable timer 2 as up/down counter.
5
-
4
-
3
-
2
-
T2OE
1
4301D–8051–02/08
DCEN
0