MC68HC908GZ8 Datasheet, PDF (221/344 Pages) Motorola, Inc – Microcontrollers

Enhanced Serial Communications Interface (ESCI) Module
Functional Description
INTERNAL BUS
ESCI DATA
REGISTER
RxD
RECEIVE
SHIFT REGISTER
LINR
SCTIE
TCIE
SCRIE
ILIE
TE
RE
RWU
SBK
SCTE
TC
SCRF
IDLE
WAKEUP
CONTROL
ESCI DATA
REGISTER
RxD
TRANSMIT
SHIFT REGISTER
ARBITER- TxD
SCI_TxD
TXINV
R8
T8
OR
NF
FE
PE
LOOPS
RECEIVE
CONTROL
FLAG
CONTROL
LOOPS
ENSCI
ORIE
NEIE
FEIE
PEIE
TRANSMIT
CONTROL
ENSCI
BKF
RPF
PRE-
SCALER
÷4
PRE- BAUD RATE
SCALER GENERATOR
M
WAKE
LINT
ILTY
PEN
PTY
÷ 16
DATA SELECTION
CONTROL
Figure 19-1. ESCI Module Block Diagram
MC68HC908GZ8
Freescale Semiconductor
Enhanced Serial Communications Interface (ESCI) Module
Data Sheet
221