S908QC16CDRE FREESCALE [Freescale Semiconductor, Inc], S908QC16CDRE Datasheet - Page 125
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S908QC16CDRE
Manufacturer Part Number
S908QC16CDRE
Description
Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.S908QC16CDRE.pdf
(274 pages)
- Current page: 125 of 274
- Download datasheet (4Mb)
CGMXCLK
13.3 Functional Description
communication between the MCU and remote devices, including other MCUs. The transmitter and
receiver of the ESCI operate independently, although they use the same baud rate generator.
Freescale Semiconductor
shows the structure of the ESCI module. The ESCI allows full-duplex, asynchronous, NRZ serial
SL = 1 -> SCI_CLK = BUSCLK
SL = 0 -> SCI_CLK = CGMXCLK (4x BUSCLK)
CLOCK
BUS
PRESCALER
ENHANCED
RxD
SL
SCTIE
SCRIE
RWU
LINR
TCIE
SBK
ILIE
RE
TE
SHIFT REGISTER
MC68HC908QC16 • MC68HC908QC8 • MC68HC908QC4 Data Sheet, Rev. 2
ESCI DATA
REGISTER
RECEIVE
÷ 4
CONTROL
WAKEUP
Figure 13-2. ESCI Module Block Diagram
SCRF
SCTE
SCALER
IDLE
ENSCI
TC
PRE-
GENERATOR
BAUD RATE
÷ 16
CONTROL
RECEIVE
INTERNAL BUS
LOOPS
RPF
BKF
DATA SELECTION
CONTROL
OR
NF
FE
PE
FLAG
CONTROL
WAKE
LOOPS
ILTY
PEN
ENSCI
PTY
M
TRANSMIT
CONTROL
SHIFT REGISTER
TXINV
ORIE
NEIE
PEIE
FEIE
ESCI DATA
REGISTER
TRANSMIT
R8
T8
LINT
Functional Description
BUS_CLK
SCI_TxD
IN SCIACTL
ACLK BIT
RxD
SL
125
TxD
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