p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 243

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Table 10.3 Reading/Writing to 16-bit Registers
[Legend]
O:
×:
Register
DADRA, DADRB
DACNT
Figure 10.2 (1) DACNT Access Operation (1) [CPU → DACNT(H'AA57) Writing]
Enabled access.
Word-unit access includes accessing byte sequentially, first upper byte, and then lower
byte.
The result of the access in the unit cannot be guaranteed.
(a) Write to upper byte
(b) Write to lower byte
Upper byte
Lower byte
[H'AA]
[H'57]
CPU
CPU
Word
O
O
Bus interface
Bus interface
Read
Byte
O
×
DACNTH
DACNTH
[
[H'AA]
Word
O
O
Rev. 1.00 Sep. 21, 2006 Page 205 of 658
Section 10 14-Bit PWM Timer (PWMX)
]
TEMP
[H'AA]
TEMP
[H'AA]
DACNTL
DACNTL
[
[H'57]
Module data bus
Module data bus
Write
]
Byte
×
×
REJ09B0310-0100