HD6417750RF240DV Datasheet, PDF (380/1132 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7750 Series

Section 11 Realtime Clock (RTC)
SH7750, SH7750S, SH7750R Group
RCR3 is initialized by a power-on reset, but RYRAR will not be initialized by a power-on or
manual reset, or by the device entering standby mode.
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: 7
6
5
4
3
2
1
0
YENB —
—
—
—
—
—
—
Initial value: 0
0
0
0
0
0
0
0
R/W: R/W
R
R
R
R
R
R
R
RYRAR
Bit: 15
14
13
12
11
10
9
8
1000 years
100 years
Initial value: Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined
R/W: R/W R/W R/W R/W R/W R/W R/W R/W
Bit: 7
6
5
4
3
2
1
0
10 years
1 year
Initial value: Undefined Undefined Undefined Undefined Undefined Undefined Undefined Undefined
R/W: R/W R/W R/W R/W R/W R/W R/W R/W
Page 328 of 1076
R01UH0456EJ0702 Rev. 7.02
Sep 24, 2013