CM68HC05C4ACFB Motorola / Freescale Semiconductor, CM68HC05C4ACFB Datasheet - Page 71

• Manufacturer Part Number: CM68HC05C4ACFB
• Description: Microcontroller
• Manufacturer: Motorola / Freescale Semiconductor

9.6 SCI I/O Registers
9.6.1 SCI Data Register
MC68HC05C4A
MOTOROLA
—
Rev. 4.0
These I/O registers control and monitor SCI operation:
The SCI data register is the buffer for characters received and for
characters transmitted.
Address:
•
•
•
•
Reset:
Read:
Write:
SCI data register (SCDR)
SCI control register 1 (SCCR1)
SCI control register 2 (SCCR2)
SCI status register (SCSR)
Serial Communications Interface (SCI)
$0011
BIT 7
Bit 7
Figure 9-4. SCI Data Register (SCDR)
BIT 6
6
BIT 5
5
Unaffected by Reset
BIT 4
4
Serial Communications Interface (SCI)
BIT 3
3
General Release Specification
BIT 2
2
SCI I/O Registers
BIT 1
1
BIT 0
Bit 0
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