t6020m ATMEL Corporation, t6020m Datasheet - Page 31

• Manufacturer Part Number: t6020m
• Description: Low-current Microcontroller For Watchdog Function
• Manufacturer: ATMEL Corporation

SSI. Modulator 2 also has 2 modes to output the content
of the serial interface as Biphase or Manchester code.
The modulator output stage can be configured by the
output control bits in the T2M2 register. The modulator
is started with the start of the shift register (SIR = 0) and
Timer 2 Output Signals
Timer 2 output mode 1:
Toggle mode A: a Timer 2 compare match toggles the output flip-flop (M2) –> T2O
Rev. A3, 02-Apr-01
CONTROL
SSI
Figure 31. Interrupt timer / square wave generator – the output toggles with each edge compare match event
Counter 2
Counter 2
INT4
Input
CMx
T2O
T2R
DCGO
SO
TOG2
RE
FE
OMSK
0
Manchester
0
modulator
Biphase/
0
1
Figure 30. Timer 2 modulator output stage
2
T2M2
3
T2OS2, 1, 0
4
0
S1
1
RES/SET
stopped either by carrying out a shift register stop
(SIR = 1) or compare match event of stage 1 (CM1) of
Timer 2. For this task, Timer 2 mode 3 must be used and
the prescaler has to be supplied with the internal shift
clock (SCL).
2
Toggle
T2TOP
3
4
M2
0
M2
1
S2
2
3
4
S3
0
T6020M
13395
T2O
1
13781
31 (54)