HD6417034 Datasheet, PDF (649/691 Pages) Renesas Technology Corp – SuperH RISC ENGINE SH7032 AND SH7034

A.2.45 Parity Control Register (PCR)
BSC
• Start Address: H'5FFFFAA
• Bus Width: 8/16/32
Register Overview:
Bit: 15
14
13
12
11
10
9
8
Bit name: PEF PFRC PEO PCHK1 PCHK0 —
—
—
Initial value: 0
0
0
0
0
0
0
0
R/W: R/W R/W R/W R/W R/W
—
—
—
Bit: 7
6
5
4
3
2
1
0
Bit name: —
—
—
—
—
—
—
—
Initial value: 0
0
0
0
0
0
0
0
R/W: —
—
—
—
—
—
—
—
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
613