h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 317

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Table 10.3 Read and Write Access Methods for 16-Bit Registers
Notes: Yes: Permitted type of access. Word access includes successive byte accesses to the
Register Name
DADRA and DADRB
DACNT
Upper-Byte Write
Lower-Byte Write
CPU
(H'AA)
Upper byte
CPU
(H'57)
Lower byte
:
Figure 10.2 (a) Access to DACNT (CPU Writes H'AA57 to DACNT)
upper byte (first) and lower byte (second).
This type of access may give incorrect results.
interface
interface
Bus
Bus
Word
Yes
Yes
Read
Byte
Yes
DACNTH
DACNTH
Rev. 4.00 Jun 06, 2006 page 263 of 1004
(H'AA)
(
)
(H'AA)
(H'AA)
TEMP
TEMP
Word
Yes
Yes
DACNTL
DACNTL
Section 10 14-Bit PWM D/A
Module data bus
Module data bus
(
(H'57)
)
REJ09B0301-0400
Write
Byte