Hitachi SH7032 - Parity Control Register (PCR) BSC

613
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 Value Description
15 Parity error flag (PEF) 0 No parity error (Initial value)
Clear Condition: PEF read, then 0 written in PEF
1 Parity error occurred
14 Parity forced output 0 No forced parity output (Initial value)
(PFRC)
1 Forced high-level output
13 Parity polarity (PEO) 0 Even parity (Initial value)
1 Odd parity
12,11 Parity check enable 1, 0 0 0 Parity not checked or generated (Initial value)
(PCHK1, PCHK0)
0 1 Parity checked and generated in DRAM space
1 0 Parity checked and generated in DRAM space and
area 2
1 1 Reserved