Holtek HT66F20 Manual page 40

BP Register
• HT66F20/HT66F40
Bit 7
Name —
R/W —
POR —
Bit 7~1 Unimplemented, read as "0"
Bit 0 DMBP0: Select Data Memory Banks
0: Bank 0
1: Bank 1
• HT66F30/HT66F50
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
• HT66F60
Bit 7
Name —
R/W —
POR —
Bit 7~6 Unimplemented, read as "0"
PMBP0: Select Program Memory Banks
Bit 5
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"
Bit 2~0 DMBP2~DMBP0: Select Data Memory Banks
000: Bank 0
001: Bank 1
010: Bank 2
011: Bank 3
100: Bank 4
101~111: Undefined
Rev. 2.50
HT66F20/HT66F30/HT66F40/HT66F50/HT66F60
HT66FU30/HT66FU40/HT66FU50/HT66FU60
A/D Flash MCU with EEPROM
6 5 4
— — —
— — —
— — —
6 5 4
— — —
— — —
— — —
6 5 4 3
— PMBP0 — —
— R/W — —
— 0 — —
40
3 2 1
— — — DMBP0
— — —
— — —
3 2 1
— — DMBP� DMBP0
— — R/W
— — 0
2 1
DMBP2 DMBP� DMBP0
R/W R/W R/W
0 0
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0
R/W
0
0
R/W
0
0
0