Dual-Power-Supply Model:
H8/3437F
Single-Power-Supply Model:
H8/3437F S-Mask Model
Item
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
MDCR
—
—
—
—
—
—
MDS1 MDS0
—
—
—
—
—
EXPE
MDS1 MDS0
Bit 7: Expanded mode enable (EXPE)
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
WSCR
—
—
—
RAMS RAM0 CKDBL
WMS1WMS0 WC1 WC0
CKDBL FLSHE WMS1WMS0 WC1 WC0
Bit 4: Flash memory control register
enable (FLSHE)
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
FLMCR1
FLMCR2—
—
—
—
—
—
VPP
EV
PV
E
P
FWE SWE
EV
PV
E
P
Bit 7: Flash write enable (FWE)
Bit 6: Software write enable (SWE)
7
6
5
4
3
2
0
1
—
—
—
—
—
FLER
ESU PSU
Bit 7: Flash memory error (FLER)
Bit 1: Erase setup (ESU)
Bit 0: Program setup (PSU)
7
6
5
4
3
2
1
0
EBR1
EBR2
—
LB7 LB6 LB5 LB4 LB3 LB2LB1 LB0
This address is not used.
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
EB7 EB6 EB5 EB4 EB3 EB2EB1 EB0
SB7 SB6 SB5 SB4 SB3 SB2SB1 SB0
Erase block register (EBR2)
EB0 (1 kbyte): H'0000 to H'03FF
EB1 (1 kbyte): H'0400 to H'07FF
EB2 (1 kbyte): H'0800 to H'0BFF
EB3 (1 kbyte): H'0C00 to H'0FFF
EB4 (28 kbytes): H'1000 to H'7FFF
EB5 (16 kbytes): H'8000 to H'BFFF
EB6 (12 kbytes): H'C000 to H'EF7F
EB7 (2 kbytes): H'EF00 to H'F77F
Details
concerning
flash memory
See section 20, ROM (Dual-Power-
Supply 60-Kbyte Flash Memory
Version)
See section 21, ROM (Single-Power-
Supply 60-Kbyte Flash Memory
Version)
Electrical
characteristics Characteristics
See section 23, Electrical
See section 23, Electrical
Characteristics
Registers See Appendix B, Registers
See Appendix B, Registers
HITACHI [ HITACHI SEMICONDUCTOR ]
