Rainbow Electronics ATAR862-3 - Manual (Page 86)

86
ATAR862-3
4556B–4BMCU–02/03
Combination Mode Timer 2, Timer 3 and SSI
Figure 90. Combination Timer 2, Timer 3 and SSI
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
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)
T2C
CL2/1
TOG3
SYSCL
T1OUT
SCL
Timer 2 - control
M2
T3CS T3M
POUT
DCGO
SO
T2I
I/O-bus
I/O-bus
8-bit shift register
MSB LSB
Shift_CL
SO
SIC1 SIC2 SISC
SCLI
Control
STB SRB
SI
Output
INT3
I/O-bus
SSI-control
TOG2
POUT
T1OUT
SYSCL
MCL_SC
MCL_SD
Transmit buffer Receive buffer
SC
SI
SCL