參數(shù)資料
型號: MC68HC05C9ACFN
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 147/160頁
文件大?。?/td> 783K
代理商: MC68HC05C9ACFN
Serial Communications Interface (SCI)
SCI I/O Registers
MC68HC05C9A Rev. 4.0
General Release Specification
MOTOROLA
Serial Communications Interface (SCI)
87
NON-DISCLOSURE
AGREEMENT
REQUIRED
SCR2 — SCR0–SCI Baud Rate Select Bits
These read/write bits select the SCI baud rate, as shown in Table 9-
2. Resets have no effect on the SCR2-SCR0 bits.
Table 9-2. Baud Rate Selection
SCR[2:0]
SCI Baud Rate (Baud)
000
Prescaled Clock
÷ 1
001
Prescaled Clock
÷ 2
010
Prescaled Clock
÷ 4
011
Prescaled Clock
÷ 8
100
Prescaled Clock
÷ 16
101
Prescaled Clock
÷ 32
110
Prescaled Clock
÷ 64
111
Prescaled Clock
÷ 128
相關(guān)PDF資料
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