Motorola MC68HC908AB32 User Manual

Serial Communications Interface
Technical Data MC68HC908AB32 — Rev. 1.0
246 Serial Communications Interface Module (SCI) MOTOROLA
Figure 15-4. SCI Transmitter
R
SCTE
PEN
PTY
H876543210L
11-BIT
TRANSMIT
STOP START
T8
R
SCTE
SCTIE
TCIE
SBK
TC
PARITY
GENERATION
MSB
SCI DATA REGISTER
LOAD FROM SCDR SHIFT ENABLE
PREAMBLE
ALL 1s
BREAK
ALL 0s
TRANSMITTER
CONTROL LOGIC
SHIFT REGISTER
R
TC
SCTIE
TCIE
SCTE
TRANSMITTER CPU INTERRUPT REQUEST
TRANSMITTER DMA SERVICE REQUEST
M
ENSCI
LOOPS
TE
PTE0/TxD
TXINV
INTERNAL BUS
÷ 4
PRE-
SCALER
SCP1
SCP0
SCR2
SCR1
SCR0
BAUD
DIVIDER
÷ 16
SCTIE
CGMXCLK

Motorola MC68HC908AB32 Specifications

General

Brand	Motorola
Model	MC68HC908AB32
Category	Controller
Language	English