SH7032 Datasheet, PDF (643/687 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

Appendix A On-Chip Supporting Module Registers
A.2.45 Parity Control Register (PCR)
BSC
Start Address: H'5FFFFAA
Bus Width: 8/16/32
Bit
Initial value
Read/Write
15
14
13
12
11
10
9
8
PEF PFRC PEO PCHK1 PCHK0 —
—
—
0
0
0
0
0
0
0
0
R/W R/W R/W R/W R/W
—
—
—
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
—
—
—
—
—
—
—
—
0
0
0
0
0
0
0
0
—
—
—
—
—
—
—
—
Table A.46 PCR Bit Functions
Bit Bit Name
15 Parity error flag (PEF)
14 Parity forced output
(PFRC)
13 Parity polarity (PEO)
12,11 Parity check enable 1, 0
(PCHK1, PCHK0)
Value
0
1
0
1
0
1
00
01
10
11
Description
No parity error
(Initial value)
Clear Condition: PEF read, then 0 written in PEF
Parity error occurred
No forced parity output
(Initial value)
Forced high-level output
Even parity
(Initial value)
Odd parity
Parity not checked or generated
(Initial value)
Parity checked and generated in DRAM space
Parity checked and generated in DRAM space and
area 2
Reserved
Rev. 7.00 Jan 31, 2006 page 617 of 658
REJ09B0272-0700