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參數(shù)資料
| 型號(hào)： | M44C092 |
| 廠商： | ATMEL CORP |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20 |
| 封裝： | SSO-20 |
| 文件頁(yè)數(shù)： | 33/84頁(yè) |
| 文件大小： | 643K |
| 代理商： | M44C092 |
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M44C892
M44C892
M44C092
Rev. A5, 14-Dec-01
39 (84)
Timer 2 Mode Register 2 (T2M2)
Address: ’7’hex – Subaddress: ’2’hex
Bit 3
Bit 2
Bit 1
Bit 0
T2M2
T2TOP
T2OS2
T2OS1
T2OS0
Reset value: 1111b
T2TOP
Timer 2 Toggle Output Preset
This bit allows the programmer to preset the Timer 2 output T2O.
T2TOP = 0, resets the toggle outputs with the write cycle (M2 = 0)
T2TOP = 1, sets toggle outputs with the write cycle (M2 = 1)
Note: If T2R = 1, no output preset is possible
T2OS2
Timer 2 Output Select bit 2
T2OS1
Timer 2 Output Select bit 1
T2OS0
Timer 2 Output Select bit 0
Output
Mode
T2OS2
T2OS1
T2OS0
Clock Output (POUT)
1
1
1
1
Toggle mode: a Timer 2 compare match toggles the
output flip-flop (M2) –> T2O
2
1
1
0
Duty cycle burst generator 1: the DCG output signal
(DCG0) is given to the output and gated by the output
flip-flop (M2)
3
1
0
1
Duty cycle burst generator 2: the DCG output signal
(DCGO) is given to the output and gated by the SSI in-
ternal data output (SO)
4
1
0
0
Biphase modulator: Timer 2 modulates the SSI internal
data output (SO) to Biphase code
5
0
1
1
Manchester modulator: Timer 2 modulates the SSI inter-
nal data output (SO) to Manchester code
6
0
1
0
SSI output: T2O is used directly as SSI internal data
output (SO)
7
0
0
1
PWM mode: an 8/12-bit PWM mode
8
0
0
0
Not allowed
If one of these output modes is used the T2O alternate function of Port 4 must also be activated.
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