mc9s08jm16 Freescale Semiconductor, Inc, mc9s08jm16 Datasheet - Page 222

• Manufacturer Part Number: mc9s08jm16
• Description: S08jm 8-bit Usb Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Serial Communications Interface (S08SCIV4)
14.1.3
Figure 14-2
222
RATE CLOCK
1 × BAUD
Block Diagram
shows the transmitter portion of the SCI.
INTERNAL BUS
PE
PT
M
BRK13
TXDIR
SBK
TE
Figure 14-2. SCI Transmitter Block Diagram
GENERATION
MC9S08JM16 Series Data Sheet, Rev. 2
PARITY
T8
H
(WRITE-ONLY)
11-BIT TRANSMIT SHIFT REGISTER
8
7
SHIFT DIRECTION
6
SCID – Tx BUFFER
TRANSMIT CONTROL
5
4
TDRE
TCIE
TIE
TC
3
2
1
0
L
LOOPS
RSRC
TxD DIRECTION
SCI CONTROLS TxD
CONTROL
TXINV
LOOP
Tx INTERRUPT
REQUEST
Freescale Semiconductor
TO RECEIVE
DATA IN
TO TxD PIN
TO TxD
PIN LOGIC