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4583 Datasheet, PDF (98/153 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
4583 Group
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)
SNZAD (Skip if Non Zero condition of A/D conversion completion flag)
Instruction
code
D9
D0
Number of
1010000111
287
2
16
words
1
Number of Flag CY
cycles
1
–
Skip condition
V22 = 0: (ADF) = 1
Operation:
V22 = 0: (ADF) = 1 ?
After skipping, (ADF) ← 0
V22 = 1: SNZAD = NOP
(V22 : bit 2 of the interrupt control register V2)
Grouping: A/D conversion operation
Description: When V22 = 0 : Skips the next instruction
when A/D conversion completion flag ADF
is “1.” After skipping, clears (0) to the ADF
flag. When the ADF flag is “0,” executes the
next instruction.
When V22 = 1 : This instruction is equiva-
lent to the NOP instruction.
SNZI0 (Skip if Non Zero condition of external 0 Interrupt input pin)
Instruction
code
D9
D0
Number of Number of Flag CY Skip condition
0 0 0 0 1 1 1 0 1 0 2 0 3 A 16
words
1
cycles
1
– I12 = 0 : (INT0) = “L”
I12 = 1 : (INT0) = “H”
Operation:
I12 = 0 : (INT0) = “L” ?
I12 = 1 : (INT0) = “H” ?
(I12 : bit 2 of the interrupt control register I1)
Grouping: Interrupt operation
Description: When I12 = 0 : Skips the next instruction
when the level of INT0 pin is “L.” Executes
the next instruction when the level of INT0
pin is “H.”
When I12 = 1 : Skips the next instruction
when the level of INT0 pin is “H.” Executes
the next instruction when the level of INT0
pin is “L.”
SNZI1 (Skip if Non Zero condition of external 1 Interrupt input pin)
Instruction
code
D9
D0
Number of Number of Flag CY Skip condition
0 0 0 0 1 1 1 0 1 1 2 0 3 B 16
words
1
cycles
1
– I22 = 0 : (INT1) = “L”
I22 = 1 : (INT1) = “H”
Operation:
I22 = 0 : (INT1) = “L” ?
I22 = 1 : (INT1) = “H” ?
(I22 : bit 2 of the interrupt control register I2)
Grouping: Interrupt operation
Description: When I22 = 0 : Skips the next instruction
when the level of INT1 pin is “L.” Executes
the next instruction when the level of INT1
pin is “H.”
When I22 = 1 : Skips the next instruction
when the level of INT1 pin is “H.” Executes
the next instruction when the level of INT1
SNZP (Skip if Non Zero condition of Power down flag)
pin is “L.”
Instruction
code
D9
D0
Number of Number of Flag CY
0000000011
003
words
cycles
2
16
1
1
–
Skip condition
(P) = 1
Operation: (P) = 1 ?
Grouping: Other operation
Description: Skips the next instruction when the P flag is
“1”.
After skipping, the P flag remains un-
changed.
Executes the next instruction when the P
flag is “0.”
Rev.3.00 Aug 06, 2004 page 98 of 151
REJ03B0009-0300Z