MC68HC08AZ16 Datasheet, PDF (180/527 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Serial Communications Interface Module (SCI)
Functional description
INTERNAL BUS
SCP1
SCP0
÷4
CGMXCLK
PRE- BAUD
SCALER DIVIDER
SCR1
SCR2
SCR0
÷ 16
PTE1/RxD
DATA
RECOVERY
BKF
RPF
ALL ZEROS
SCI DATA REGISTER
11-BIT
RECEIVE SHIFT REGISTER
H8 7 6 5 4 3 2 1 0 L
M
WAKE
ILTY
PEN
PTY
WAKE-UP
LOGIC
PARITY
CHECKING
IDLE
ILIE
DMARE
SCRF
SCRIE
DMARE
SCRF
SCRIE
DMARE
OR
ORIE
NF
NEIE
FE
FEIE
PE
PEIE
SCRF
IDLE
R8
ILIE
SCRIE
DMARE
OR
ORIE
NF
NEIE
FE
FEIE
PE
PEIE
Figure 3. SCI receiver block diagram
RWU
11-sci
MOTOROLA
Serial Communications Interface Module (SCI)
MC68HC08AZ32
179