AT89C5115 Atmel Corporation, AT89C5115 Datasheet - Page 65
AT89C5115
Manufacturer Part Number
AT89C5115
Description
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C5115-UM
Manufacturer:
SANYO
Quantity:
84
4128G–8051–02/08
Table 44. T2MOD Register
T2MOD (S:C9h)
Timer 2 Mode Control Register
Reset Value = XXXX XX00b
Not bit addressable
Table 45. TH2 Register
TH2 (S:CDh)
Timer 2 High Byte Register
Reset Value = 0000 0000b
Not bit addressable
Number
Number
7 - 0
Bit
Bit
7
7
-
-
7
6
5
4
3
2
1
0
Mnemonic Description
Mnemonic Description
DCEN
T2OE
Bit
Bit
6
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
Clear 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
Clear to disable Timer 2 as up/down counter.
Set to enable Timer 2 as up/down counter.
High Byte of Timer 2
5
5
-
-
4
4
-
-
3
3
-
-
2
2
-
-
T2OE
1
1
-
DCEN
0
0
-
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