MC68HC908EY16 Datasheet, PDF (131/278 Pages) Motorola, Inc – Microcontrollers

13.4.3 Receiver
Figure 13-5 shows the structure of the ESCI receiver.
Functional Description
INTERNAL BUS
LINR
SCP1
SCP0
÷4
PDS2
PDS1
PDS0
PSSB4
PSSB3
PSSB2
PSSB1
PSSB0
PRE-
BAUD
SCALER DIVIDER
SCR1
SCR2
SCR0
÷ 16
RxD
DATA
RECOVERY
ALL ZEROS
BKF
RPF
M
WAKE
ILTY
PEN
PTY
WAKEUP
LOGIC
PARITY
CHECKING
IDLE
ILIE
SCRF
SCRIE
ESCI DATA REGISTER
11-BIT
RECEIVE SHIFT REGISTER
H8 7 6 5 4 3 2 1 0 L
SCRF
RWU
IDLE
R8
ILIE
SCRIE
OR
ORIE
OR
ORIE
NF
NF
NEIE
NEIE
FE
FE
FEIE
FEIE
PE
PE
PEIE
PEIE
Figure 13-5. ESCI Receiver Block Diagram
MC68HC908EY16 • MC68HC908EY8 Data Sheet, Rev. 10
Freescale Semiconductor
131