AT89C5131A-RDTIL Atmel, AT89C5131A-RDTIL Datasheet - Page 54

• Manufacturer Part Number: AT89C5131A-RDTIL
• Description: IC 8051 MCU FLASH 32K USB 64VQFP
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5131A-RDTIL

• Core Processor: C52X2
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART, USB
• Peripherals: LED, POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• For Use With: AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -
• Other names: AT89C5131-RDTIL

54
AT89C5131A-L
Table 47. T2MOD Register
T2MOD - Timer 2 Mode Control Register (C9h)
Reset Value = XXXX XX00b
Not bit addressable
Number
Bit
7
6
5
4
3
2
1
0
7
-
Mnemonic Description
DCEN
T2OE
Bit
-
-
-
-
-
-
6
-
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
4338F–USB–08/07
DCEN
0