Holtek HT68F Series Manual page 39

HT68F20/HT68F30/HT68F40/HT68F50/HT68F60
HT68FU30/HT68FU40/HT68FU50/HT68FU60
Enhanced I/O Flash Type 8-Bit MCU with EEPROM
BP Register
• HT68F20/HT68F40
Bit 7
Name —
R/W —
POR —
Bit 7~1 Unimplemented, read as "0"
DMBP0: Select Data Memory Banks
Bit 0
0: Bank 0
1: Bank 1
• HT68F30/HT68F50
Bit 7
Name —
R/W —
POR —
Bit 7~2 Unimplemented, read as "0"
Bit 1~0 DMBP1, DMBP0: Select Data Memory Banks
00: Bank 0
01: Bank 1
10: Bank 2
11: Undefined
• HT68F60
Bit 7
Name —
R/W —
POR —
Bit 7~6 Unimplemented, read as "0"
Bit 5 PMBP0: Select Program Memory Banks
0: Bank 0, Program Memory Address is from 0000H~1FFFH
1: Bank 1, Program Memory Address is from 2000H~2FFFH
Bit 4~3 Unimplemented, read as "0"
DMBP2~DMBP0: Select Data Memory Banks
Bit 2~0
000: Bank 0
001: Bank 1
010: Bank 2
011: Bank 3
100: Bank 4
101~111: Undefined
Rev. 2.10
6 5 4
— — —
— — —
— — —
6 5 4
— — —
— — —
— — —
6 5 4
— PMBP0 —
— R/W —
— 0 —
39
3 2 1
— — — DMBP0
— — —
— — —
3 2 1
— — DMBP1 DMBP0
— — R/W
— — 0
3 2 1
— DMBP2 DMBP1 DMBP0
— R/W R/W
— 0 0
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0
R/W
0
0
R/W
0
0
R/W
0