Combination mode timer 2 and timer 3, Figure 83, Figure 84 – Rainbow Electronics T48C862-R3 User Manual
Page 85: Biphase demodulation, Combination timer 3 and timer 2
85
T48C862-R3
4554A–4BMCU–02/03
Figure 83.
Biphase Demodulation
Combination Mode Timer 2 and Timer 3
Figure 84.
Combination Timer 3 and Timer 2
0
1
1
1
1
0
1
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Synchronize
Biphase demodulation mode
Timer 3
mode
T3EX
Q1=SI
CM31=SCI
SR-DATA
0
0
0
0
T3I
Reset
Counter 3
1
0
1
0
1
0
Bit 0
8-bit counter 3
RES
Compare 3/1
T3CO1
T3CP
T3CO2
Timer 3 - control
T3O
CL3
T3I
T3EX
SYSCL
T1OUT
POUT
I/O-bus
Compare 3/2
T3CM1
T3CM2
T3C
T3ST
Modulator 3
Demodu-
lator 3
Control
SO
TOG3
INT5
RES
CM31
T3I
T3EX
TOG2
SI
SCI
SSI
CP3
4-bit counter 2/1
RES
OVF1
Compare 2/1
T2CO1
CM1
POUT
SSI
CL2/2
DCG
T2M1
P4CR
8-bit counter 2/2
RES
OVF2
Compare 2/2
T2CO2
T2CM
TOG2
INT4
Biphase-,
Manchester-
modulator
OUTPUT
MOUT
M2
T2O
Timer 2
modulator 2
output-stage
T2M2
Control
(RE, FE, SCO, OMSK)
SSI
T2C
CL2/1
TOG3
SYSCL
T1OUT
SCL
Timer 2 - control
M2
T3CS
T3M
POUT
DCGO
SO
T2I
I/O-bus
I/O-bus