T48C862-R3 datasheet(79/107 Pages) ATMEL

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T48C862-R3

4554A–4BMCU–02/03

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

Figure 74. 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

Figure 75. Biphase Modulation 1

1 20 120 120 12 012 0 1 2 0 1 2 01 2 012 01 20 120 12 0 120 1

DCGO

Counter 2

TOG2

T2O

Counter = compare register (=2)

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

TOG2

T2O

111

8-bit SR-data

Bit 7

Bit 0

Data: 00110101

T48C862-R3 数据表(PDF) 79 Page - ATMEL Corporation

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