ATAM893X-TKHYZ ATMEL [ATMEL Corporation], ATAM893X-TKHYZ Datasheet - Page 55

• Manufacturer Part Number: ATAM893X-TKHYZ
• Description: Flash Version for ATAR080, ATAR090/890 and ATAR092/892
• Manufacturer: ATMEL [ATMEL Corporation]

5.3.3.5
5.3.3.6
5.3.3.7
4680C–4BMCU–01/05
Timer 3 Demodulator for Bi-phase, Manchester and Pulse-width-modulated Signals
Timer 3 Registers
Timer 3 Mode Register (T3M)
The demodulator stage of Timer 3 can be used to decode Bi-phase, Manchester and pulse-
width-coded signals
Figure 5-37. Timer 3 Demodulator 3
Table 5-13.
Note:
T3M3
T3M2
T3M1
T3M0
Mode
T3M3
1
2
3
4
5
6
7
Bit 3
1. In this mode, the SSI can be used only as demodulator (8-bit NRZ rising edge). All other SSI
T3M3
modes are not allowed.
1
1
1
1
1
1
1
Timer 3 Mode Select Bits
Timer 3 Mode select bit 3
Timer 3 Mode select bit 2
Timer 3 Mode select bit 1
Timer 3 Mode select bit 0
T3M2
Bit 2
T3M2
1
1
1
1
0
0
0
T3M1
Bit 1
T3I
T3M1
1
1
0
0
1
1
0
T3M0
T3M0
1
0
1
0
1
0
1
Bit 0
T3EX
Timer 3 Modes
Timer/counter with a read access
Timer/counter, external capture and external trigger
restart mode (T3I)
Timer/counter, internal capture and internal trigger
restart mode (TOG2)
Timer/counter mode 1 without output
(T2O
Timer/counter mode 2 without output
(T2O
Burst modulation with Timer 2 (M2)
Burst modulation with shift register (SO)
CM31
Demodulator 3
Counter 3
Control
T3M
T3O)
T3O)
Address: 'B'hex — Subaddress: '0'hex
Counter 3
Reset
Res
SCI
SI
ATAM893-D
Reset value: 1111b
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