mc68hc11k4vfu4 Freescale Semiconductor, Inc, mc68hc11k4vfu4 Datasheet - Page 50

• Manufacturer Part Number: mc68hc11k4vfu4
• Description: 8-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

50
MOTOROLA
TRANSMITTER
REQUESTS
BAUD RATE
SCI Rx
CLOCK
SCCR1 SCI CONTROL 1
SCI INTERRUPT
REQUEST
H (8) 7 6 5 4 3 2 1 0 L
10 (11) - BIT Tx SHIFT REGISTER
SCDR Tx BUFFER
Figure 10 SCI Transmitter Block Diagram
TDRE
TIE
TC
TCIE
CONTROL LOGIC
TRANSMITTER
SCSR INTERRUPT STATUS
(WRITE ONLY)
SCCR2 SCI CONTROL 2
DIRECTION (OUT)
FORCE PIN
8
AND CONTROL
PIN BUFFER
8
DDD1
INTERNAL
DATA BUS
8
M68HC11 K Series
MC68HC11KTS/D
PD1
TxD