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Section 9 Bus State Controller
R01UH0134EJ0400 Rev. 4.00 Page 289 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
9.4.9 AC Characteristics Switching Key Register (ACKEYR)
ACKEYR is an 8-bit write-only register to access the AC characteristics switching register
(ACSWR). The write value is ignored and the read value is undefined.
76543210
--------
WWWWWWWW
Bit:
Initial value:
R/W:
ACKEY[7:0]
Bit Bit Name
Initial
Value R/W Description
7 to 0 ACKEY[7:0] W AC Key
Writing to these bits is required to write to ACSWR.
The write value is arbitrary.