UPD78F0886GA(A)-GAM-AX NEC, UPD78F0886GA(A)-GAM-AX Datasheet - Page 83

• Manufacturer Part Number: UPD78F0886GA(A)-GAM-AX
• Description: 8BIT MCU, 60K FLASH, 3KB RAM, CAN
• Manufacturer: NEC

Specifications of UPD78F0886GA(A)-GAM-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 41
• Ram Memory Size: 3KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm Channels: 6
• Digital Ic Case Style: LQFP
• Core Size: 8bit
• Program Memory Size: 60KB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

[Instruction format]
[Operation]
[Operand]
[Flag]
[Description]
ADJBA
None
• The A register, CY flag and AC flag are decimally adjusted from their contents. This instruction carries out
• If the adjustment result shows that the A register contents are 0, the Z flag is set (1). In all other cases,
an operation having meaning only when the BCD (binary coded decimal) data is added and the addition result
is stored in the A register (in all other cases, the instruction carries out an operation having no meaning).
See the table below for the adjustment method.
the Z flag is cleared (0).
A
AC = 0
A
AC = 0
AC = 1
3
3
Z
×
to A
to A
0
0
≤ 9
≥ 10
AC
×
A
A
A
A
A
A
Condition
Decimal Adjust Accumulator for Addition
7
7
7
7
7
7
ADJBA
CY
×
to A
to A
to A
to A
to A
to A
4
4
4
4
4
4
≤ 9 and CY = 0
≥ 10 or CY = 1
< 9 and CY = 0
≥ 9 or CY = 1
≤ 9 and CY = 0
≥ 10 or CY = 1
CHAPTER 5 EXPLANATION OF INSTRUCTIONS
User's Manual U12326EJ4V0UM
A ← A, CY ← 0, AC ← 0
A ← A+01100000B, CY ← 1, AC ← 0
A ← A+00000110B, CY ← 0, AC ← 1
A ← A+01100110B, CY ← 1, AC ← 1
A ← A+00000110B, CY ← 0, AC ← 0
A ← A+01100110B, CY ← 1, AC ← 0
Decimal Adjustment of Addition Result
Operation
Decimal Adjust Register for Addition
83