NEC mPD780344 Series User Manual page 300

8-bit single-chip microcontrollers

Table of Contents

• Error tolerance range for baud rate

The tolerance range for the baud rate depends on the number of bits per frame and the counter's division

rate [1/(16 + k)].

Figure 16-6 shows an example of the baud rate error tolerance range.

Figure 16-6. Baud Rate Error Tolerance (When k = 0), Including Sampling Errors

Basic timing

limit timing

limit timing

Remark T: 5-bit counter's source clock cycle

Baud rate error tolerance (when k = 0) =

CHAPTER 16 SERIAL INTERFACE UART0

User's Manual U15798EJ2V0UD

× 100 = 4.8438 (%)

Sampling error