HD6432646 Hitachi, HD6432646 Datasheet - Page 1102

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

FLMCR1—Flash Memory Control Register 1
1068
Bit
Initial value
Read/Write
Note: * Determined by the state of the FWE pin.
Flash Write Enable Bit
0
1
Software Write Enable Bit
When a low level is input to the FWE pin (hardware-protected state)
When a high level is input to the FWE pin
0
1
Erase Setup Bit
Writes disabled
Writes enabled
[Setting condition]
When FWE = 1
0
1
Program Setup Bit
Erase setup cleared
Erase setup
[Setting condition]
When FWE = 1 and SWE = 1
0
1
FWE
—*
R
7
Program setup cleared
Program setup
[Setting condition]
When FWE = 1 and SWE = 1
Erase-verify
0
1 Transition to erase-verify mode
Program-Verify
Erase-verify mode cleared
[Setting condition]
When FWE = 1 and SWE = 1
0
1
Erase
0
1
Program-verify mode cleared
Transition to program-verify mode
[Setting condition]
When FWE = 1 and SWE = 1
SWE
R/W
6
0
Erase mode cleared
Transition to erase mode
[Setting condition]
When FWE = 1, SWE = 1, and ESU = 1
ESU
R/W
5
0
PSU
R/W
4
0
R/W
H'FFA8
EV
3
0
Program
0
1
Program mode cleared
Transition to program mode
[Setting condition]
When FWE = 1, SWE = 1, and PSU = 1
R/W
PV
2
0
R/W
E
1
0
Flash Memory
R/W
P
0
0