參數(shù)資料
型號: UPD70741
廠商: NEC Corp.
元件分類: 16位微控制器
英文描述: V821TM 32-/16-BIT MICROPROCESSOR
中文描述: V821TM 32-/16-BIT微處理器
文件頁數(shù): 40/112頁
文件大?。?/td> 605K
代理商: UPD70741
μ
PD70741
40
φ
φ
/2
UART
CSI
TMBRG
BRG
B
B
BPRM
7
0
1
2
Internal bus
Match
Clear
Prescaler
8.4 Baud Rate Generator (BRG)
8.4.1 Configuration and function
With the serial interface, a serial clock chosen from the baud rate generator output and clocks generated using
the system clock (
φ
) can be used as a baud rate.
A serial clock source can be specified by using the SCLS bit of the ASIM register when the UART is used, or by
using the CLS bit of the CSIM register when the CSI is used.
When baud rate generator output is specified, the baud rate generator is selected as the clock source.
The same serial clock is used for both transmission and reception on a channel, so that the same baud rate applies
to transmission and reception.
Figure 8-3. Block Diagram
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