参数资料
型号: MC68HC11ED0CP2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PDIP40
封装: PLASTIC, DIP-40
文件页数: 84/108页
文件大小: 1672K
代理商: MC68HC11ED0CP2
Serial Communications Interface (SCI)
SCI Registers
MC68HC11ED0 — Rev. 1.0
Technical Summary
Serial Communications Interface (SCI)
7.3.2 Serial Communications Control Register 1
R8 — Receive Data Bit 8
If M bit is set, R8 stores the ninth bit in the receive data character.
T8 — Transmit Data Bit 8
If M bit is set, T8 stores the ninth bit in the transmit data character.
Bit 5 — Unimplemented
Always reads 0
M — Mode Bit (select character format)
1 = Start bit, 8 data bits, 1 stop bit
1 = Start bit, 9 data bits, 1 stop bit
WAKE — Wakeup by Address Mark/Idle Bit
0 = Wakeup by IDLE line recognition
1 = Wakeup by address mark (most significant data bit set)
Bits [2:0] — Unimplemented
Always read 0
Address:
$002C
Bit 7
6
54321
Bit 0
Read:
R8
T8
MWAKE
Write:
Reset:
00
000000
= Unimplemented
Figure 7-5. Serial Communications Control Register 1 (SCCR1)
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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