MC68HC908GZ16 Datasheet, PDF (191/314 Pages) Motorola, Inc – Microcontrollers

Functional Description
15.4.3 Receiver
Figure 15-6 shows the structure of the ESCI receiver. The receiver I/O registers are summarized in
Figure 15-3.
INTERNAL BUS
LINR
SCP1
SCP0
÷4
PDS2
PDS1
PDS0
PSSB4
PSSB3
PSSB2
PSSB1
PSSB0
PRE-
BAUD
SCALER DIVIDER
SCR1
SCR2
SCR0
÷ 16
DATA
RxD
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
NF
NEIE
FE
FEIE
PE
PEIE
OR
ORIE
NF
NEIE
FE
FEIE
PE
PEIE
Figure 15-6. ESCI Receiver Block Diagram
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 1
Freescale Semiconductor
191