mc68hc908lj24 Freescale Semiconductor, Inc, mc68hc908lj24 Datasheet - Page 281

• Manufacturer Part Number: mc68hc908lj24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

13.11.6 SCI Data Register
MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
NOTE:
Address:
Infrared Serial Communications Interface Module (IRSCI)
The SCI data register is the buffer between the internal data bus and the
receive and transmit shift registers. Reset has no effect on data in the
SCI data register.
R7/T7–R0/T0 — Receive/Transmit Data Bits
Do not use read/modify/write instructions on the SCI data register.
Reset:
Read:
Write:
Reading the SCDR accesses the read-only received data bits,
R7–R0. Writing to the SCDR writes the data to be transmitted, T7–T0.
Reset has no effect on the SCDR.
$0018
Bit 7
R7
T7
Figure 13-18. SCI Data Register (SCDR)
R6
T6
6
Infrared Serial Communications Interface Module (IRSCI)
R5
T5
5
Unaffected by reset
R4
T4
4
R3
T3
3
R2
T2
2
R1
T1
1
I/O Registers
Data Sheet
Bit 0
R0
T0
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