Hitachi SH7750 Hardware Manual page 334

Bits 6 to 0 of RCR3 are always read as 0. Writing to these bits is invalid. If a value is written to
these bits, it should always be 0.
RCR3
Bit:
Initial value:
R/W:
RYRAR
Bit:
Initial value:
Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined
R/W:
Bit:
Initial value:
Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined
R/W:
Rev. 6.0, 07/02, page 284 of 986
7 6
YENB —
0 0
R/W R
15 14
1000 years
R/W R/W R/W
7 6
10 years
R/W R/W R/W
5 4 3
— — —
0 0 0
R R R
13 12 11
R/W R/W
5 4 3
R/W R/W
2 1
— — —
0 0
R R
10 9
100 years
R/W R/W R/W
2 1
1 year
R/W R/W R/W
0
0
R
8
0