参数资料
型号: MC68HC05C12ACB
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP42
封装: SHRINK, PLASTIC, DIP-42
文件页数: 126/156页
文件大小: 756K
代理商: MC68HC05C12ACB
Serial Communications Interface (SCI)
SCI I/O Registers
MC68HC05C12A Rev. 3.0
General Release Specification
MOTOROLA
Serial Communications Interface (SCI)
71
NON-DISCLOSURE
AGREEMENT
REQUIRED
9.6 SCI I/O Registers
These following I/O registers control and monitor SCI operation:
SCI data register (SCDR)
SCI control register 1 (SCCR1)
SCI control register 2 (SCCR2)
SCI status register (SCSR)
9.6.1 SCI Data Register
The SCI data register is the buffer for characters received and for
characters transmitted.
Address:
$0011
Bit 7
654321
Bit 0
Read:
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
Write:
Reset:
Unaffected by Reset
Figure 9-4. SCI Data Register (SCDR)
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