Hitachi H8S/2199 Hardware Manual page 1115

H'FFF8: Flash Memory Control Register 1 FLMCR1: FLASH ROM
7
Bit :
FWE
Initial value :
*
—
R/W :
R
Flash write enable
0
1
Note: * Determined by the state of the FWE pin.
6 5
SWE1 ESU1
0 0
R/W R/W
Program set-up1
0
1
Erase set-up1
0 Erase set-up cleared
1 Transition to erase set-up status
[Setting condition] When FWE = 1 and SWE1 = 1
Software write enable
0 Writes are disabled
1 Writes are enabled
[Setting condition] When FWE = 1
When a low level is input to the FWE pin (hardware-protected state)
When a high level is input to the FWE pin
4 3
PSU1 EV1 PV1
0 0
R/W R/W R/W
Program1
Erase1
0
1
Program-verify1
0 Program-verify mode cleared
1 Transition to program-verufy mode
[Setting condition] When FWE = 1 and SWE1 = 1
Erase-verify1
0 Erase-verify mode cleared
1 Transition to erase-verify mode
[Setting condition] When FWE = 1 and SWE1 = 1
Program set-up cleared
Transition to program set-up status
[Setting condition] When FWE = 1 and SWE1 = 1
(Initial value)
2 1
E1 P1
0 0
R/W R/W
0 Program mode cleared (Initial value)
1 Transition to program mode
[Setting condition] When FWE = 1,
SWE1 = 1, and PSU1 = 1
Erase mode cleared
Transition to erase mode
[Setting condition] When FWE = 1,
SWE1 = 1, and ESU1 = 1
(Initial value)
(Initial value)
(Initial value)
Rev. 1.0, 02/00, page 1113 of 1141
0
0
(Initial value)
(Initial value)