M30620FCAFP datasheet(258/274 Pages) MITSUBISHI

tên linh kiện	M30620FCAFP

Giải thích chi tiết về linh kiện	SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

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Appendix Standard Serial I/O Mode 2 (Flash Memory Version)

Mitsubishi microcomputers

M16C / 62A Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

258

How frequency is identified

When "0016" data is received 16 times from a peripheral unit at a baud rate of 9,600 bps, the value of the

bit rate generator is set to match the operating frequency (2 - 16 MHz). The highest speed is taken from

the first 8 transmissions and the lowest from the last 8. These values are then used to calculate the bit

rate generator value for a baud rate of 9,600 bps.

Baud rate cannot be attained with some operating frequencies. Table 1.29.4 gives the operation fre-

quency and the baud rate that can be attained for.

Table 1.29.4 Operation frequency and the baud rate

Operation frequency

(MHZ)

Baud rate

9,600bps

Baud rate

19,200bps

Baud rate

38,400bps

Baud rate

57,600bps

16MHZ

12MHZ

11MHZ

10MHZ

8MHZ

7.3728MHZ

6MHZ

5MHZ

4.5MHZ

4.194304MHZ

4MHZ

3.58MHZ

3MHZ

2MHZ

: Communications possible

– : Communications not possible

–

√

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