Rom Correction Control Registers - Panasonic MN103S User Manual

Chapter 6
ROM Correction
6.2.2

ROM Correction Control Registers

This register that is a 8-bit readable / writable register controls ROM correction.
ROM Correction Control Registers (RCRCTR: 0x7FF00000) [8, 16, 32-bit access register]
bp 7
Flag -
At reset 0
Access R
bp Flag
7-4 -
3 RCMEN
2 RCCEN
1 -
0 RCRWE
A ROM correction control register can be written under the following cases only.
Follow the arrow steps as described below.
Table:6.2.2 Value of Registers and Condition List
RCMEN RCCEN
0 0
↓
0 0
↓
0 1
↓
1 1
↓
0 0
* 1: The registers are ROM correction address registers and ROM correction data registers.
VI - 4 ROM Correction Control Registers
6 5 4 3
- - - RC
MEN
0 0 0 0
R R R R/W
Description
-
ROM correction mode clear enable
ROM correction mode
-
ROM correction address / data register
write enable
RCRWE
0 Disable the interrupt (except the NMI)
ROM correction reset status
1 Register change setting (* 1)
Register changeable status
0 ROM correction enabled status
ROM correction enabled status
0 ROM correction reset setting 1
ROM correction reset setting status
0 ROM correction reset setting 2
ROM correction reset status
2 1 0
RC - RC
CEN RWE
0 0 0
R/W R R/W
Set condition
-
0: ROM correction mode (RCCEN) clear disabled
1: ROM correction mode (RCCEN) clear enabled
0: ROM correction disabled
1: ROM correction enabled
-
0: Write disabled
1: Write enabled
Condition