MC13211_08 Datasheet, PDF (39/70 Pages) Freescale Semiconductor, Inc – ZigBee™- Compliant Platform -2.4 GHz Low Power Transceiver for the IEEE® 802.15.4 Standard plus Microcontroller

INTERNAL BUS
M
1 ¥ BAUD
RATE CLOCK
(WRITE-ONLY)
SCID – Tx BUFFER
LOOPS
RSRC
11-BIT TRANSMIT SHIFT REGISTER
H8 7 6 5 4 3 2 1 0 L
SHIFT DIRECTION
LOOP
CONTROL
TO RECEIVE
DATA IN
TO TxD1 PIN
T8
PE
PARITY
PT
GENERATION
ENABLE
TE
SBK
TXDIR
TRANSMIT CONTROL
TDRE
TIE
TC
TCIE
Figure 22. SCI Transmitter
SCI CONTROLS TxD1
TxD1 DIRECTION
TO TxD1
PIN LOGIC
Tx INTERRUPT
REQUEST
MC13211/212/213 Technical Data, Rev. 1.4
Freescale Semiconductor
39