參數(shù)資料
型號: M44C892
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封裝: SSO-20
文件頁數(shù): 59/84頁
文件大?。?/td> 643K
代理商: M44C892
M44C892
M44C092
Rev. A5, 14-Dec-01
62 (84)
Combination mode 1: Burst modulation
SSI mode 1:
8-bit NRZ and internal data SO output to the Timer 2 modulator stage
Timer 2 mode 1, 2, 3 or 4: 8-bit compare counter with 4-bit programmable prescaler and DCG
Timer 2 output mode 3:
Duty cycle burst generator
1 20120 12012 0120 12012 0120 12012 0120 1201 201
DCGO
Counter 2
TOG2
SO
T2O
Counter = compare register (=2)
13785
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10
Bit 11
Bit 12
Bit 13
Figure 69. Carrier frequency burst modulation with the SSI internal data output
Combination mode 2: Biphase modulation 1
SSI mode 1:
8-bit shift register internal data output (SO) to the Timer 2 modulator stage
Timer 2 mode 1, 2, 3 or 4: 8-bit compare counter with 4-bit programmable prescaler
Timer 2 output mode 4:
The modulator 2 of Timer 2 modulates the SSI internal data output to Biphase code
TOG2
SC
SO
T2O
00
0
00
11
0
101
1
111
8-bit SR-data
Bit 7
Bit 0
13786
Data: 00110101
Figure 70. Biphase modulation 1
Combination mode 3: Manchester modulation 1
SSI mode 1:
8-bit shift register internal data output (SO) to the Timer 2 modulator stage
Timer 2 mode 1, 2, 3 or 4: 8-bit compare counter with 4-bit programmable prescaler
Timer 2 output mode 5:
The modulator 2 of Timer 2 modulates the SSI internal data output to Manchester code
TOG2
SC
SO
T2O
00
0
00
11
0
101
11
1
8-bit SR-data
Bit 7
Bit 0
13787
0
Bit 7
Bit 0
Data: 00110101
Figure 71. Manchester modulation 1
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