s908gr32ag3vfa Freescale Semiconductor, Inc, s908gr32ag3vfa Datasheet - Page 154

• Manufacturer Part Number: s908gr32ag3vfa
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Enhanced Serial Communications Interface (ESCI) Module
154
CGMXCLK
SL = 1 -> SCI_CLK = BUSCLK
SL = 0 -> SCI_CLK = CGMXCLK
CLOCK
BUS
PRESCALER
ENHANCED
RxD
SL
MC68HC908GR60A • MC68HC908GR48A • MC68HC908GR32A Data Sheet, Rev. 5
SCRIE
SCTIE
LINR
TCIE
RWU
SBK
ILIE
RE
TE
SHIFT REGISTER
ESCI DATA
REGISTER
RECEIVE
÷ 4
CONTROL
WAKEUP
Figure 13-3. ESCI Module Block Diagram
SCTE
SCRF
IDLE
SCALER
TC
ENSCI
PRE-
GENERATOR
BAUD RATE
÷ 16
CONTROL
RECEIVE
INTERNAL BUS
LOOPS
BKF
RPF
DATA SELECTION
CONTROL
OR
NF
FE
PE
FLAG
CONTROL
WAKE
ILTY
PEN
LOOPS
PTY
ENSCI
M
TRANSMIT
CONTROL
SHIFT REGISTER
TXINV
ORIE
NEIE
FEIE
PEIE
R8
REGISTER
TRANSMIT
T8
ESCI DATA
LINT
Freescale Semiconductor
BUS CLOCK
SCI_TxD
IN SCIACTL
ACLK BIT
RxD
SL
TxD