參數(shù)資料
型號: μPD789405
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機微控制器(8位單片微控制器)
文件頁數(shù): 73/128頁
文件大?。?/td> 607K
代理商: ΜPD789405
73
μ
PD789405, 789406, 789407
(b)
Generating transmission and reception clock pulses for baud rates based on an external clock
pulse received at the ASCK pin
The frequency of an external clock pulse received at the ASCK pin is used to generate the transmission
and reception clock pulses. The baud rate generated based on the external clock pulse received at the
ASCK pin is determined using the following expression.
[Baud rate] = f
16
f
ASCK
: Frequency of clock pulse received at the ASCK pin
Table 5-15. Relationships between ASCK Pin Input Frequencies and Baud Rates (When BRGC = 80H)
Baud rate (bps)
ASCK pin input frequency (kHz)
75
1.2
150
2.4
300
4.8
600
9.6
1 200
19.2
2 400
38.4
4 800
76.8
9 600
153.6
19 200
307.2
31 250
500.0
38 400
614.4
ASCK
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