Extended Calculation Control Register - Panasonic MN101L Series User Manual

Chapter 2
CPU
2.3.2

Extended Calculation Control Register

Extended calculation can be executed by setting the extended calculation control bit.
Extended Calculation Control Register (AUCTR: 0x03F07)
bp 7
Bit name AUBCDSUBC AUBCDSUB AUBCDADDC AUBCDADD
At reset 0
Access W
bp
7
6
5
4
3
2
1
0
II - 18 Extended Calculation Function
6 5
0 0
W W
Bit name
BCD subtraction with carry
AUBCDSUBC 0: Disabled
1: Enabled
BCD subtraction without carry
AUBCDSUB 0: Disabled
1: Enabled
BCD addition with carry
AUBCDADDC 0: Disabled
1: Enabled
BCD addition without carry
AUBCDADD 0: Disabled
1: Enabled
Reserved Must be set to 0.
Unsigned division execution
AUDIVU 0: Disabled
1: Enabled
Signed multiplication execution
AUMUL 0: Disabled
1: Enabled
Unsigned multiplication execution
AUMULU 0: Disabled
1: Enabled
4 3
Reserved AUDIVU
0 0
W W
Description
2 1
AUMUL AUMULU
0 0
W W
0
0
W