H838532H datasheet(313/508 Pages) RENESAS

tên linh kiện	H838532H

Giải thích chi tiết về linh kiện	16-Bit Single-Chip Microcomputer H8 Family / H8/300H Super Low Power Series

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Section 10 Serial Communication Interface

Rev. 1.00 May 30, 2008 Page 293 of 484

REJ09B0436-0100

Bit 3: Stop bit length (STOP)

Bit 3 selects 1 bit or 2 bits as the stop bit length is asynchronous mode. The STOP bit setting is

only valid in asynchronous mode. When synchronous mode is selected the STOP bit setting is

invalid since stop bits are not added.

Bit 3

STOP

Description

1 stop bit*

(initial value)

2 stop bits*

Notes: 1. In transmission, a single 1 bit (stop bit) is added at the end of a transmit character.

2. In transmission, two 1 bits (stop bits) are added at the end of a transmit character.

In reception, only the first of the received stop bits is checked, irrespective of the STOP bit setting.

If the second stop bit is 1 it is treated as a stop bit, but if 0, it is treated as the start bit of the next

transmit character.

Bit 2: 5-Bit Communication (MP)

Bit 2 can set the 5-bit communication format. When this bit is set to 1, the 5-bit communication

format is enabled. When writing 1 to this bit, always write 1 to bit 5 (RE) at the same time.

Bit 2

Description

7/8-bit communication format*

(initial value)

5-bit communication format*

Note:

For the case where 5-bit data is selected, see table 10.11.

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