h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 196

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

Notes: 1. There is a period when the written value is not reflected immediately.
Rev. 2.00, 03/04, page 164 of 534
Bit
3
2
1
0
2. Only 0 can be written after reading 1, to clear the flag.
Bit Name
DTSIZE

LWSIZE

Initial
Value
0
0
0
0
R/W
R/W
R/W
R/W
R/W
Description
Data Transmit Size
Specifies the size of data to be transferred by
combination of the LWSIZE bit.
LWSIZE DTSIZE
0
0
0
1
Reserved
This bit can be read from or written to. However, the
write value should always be 0.
Longword Data Transmit Size
Specifies the size of data to be transferred by
combination of the DTSIZE bit.
Reserved
This bit can be read from or written to. However, the
write value should always be 0.
0: Byte-size (8-bit) specification
1: Word-size (16-bit) specification
0: Longword-size (32-bit) specification
1: Reserved (setting prohibited)