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4501 Datasheet(PDF) 83 Page - Renesas Technology Corp

Part # 4501
Description  4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES
PDF  212 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

4501 Datasheet(HTML) 83 Page - Renesas Technology Corp

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Skip condition
Number of
cycles
Number of
words
Instruction
code
D9
D0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instruction
code
D9
D0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instruction
code
D9
D0
Flag CY
2
16
Skip condition
Number of
cycles
Number of
words
Instruction
code
D9
D0
Flag CY
2
16
INSTRUCTIONS
1-71
4501 Group
HARDWARE
Rev.2.01
Feb 07, 2005
REJ09B0192-0201
RC (Reset Carry flag)
0000000110
006
11
0
–
Grouping:
Arithmetic operation
Description: Clears (0) to carry flag CY.
Operation:
(CY)
← 0
RCP (Reset Port C)
1010001100
28C
11
–
–
Grouping:
Input/Output operation
Description: Clears (0) to port C.
Operation:
(C)
← 0
RAR (Rotate Accumulator Right)
0000011101
01D
11
0/1
–
Grouping:
Arithmetic operation
Description: Rotates 1 bit of the contents of register A in-
cluding the contents of carry flag CY to the
right.
Operation:
→ CY → A3A2A1A0
RB j (Reset Bit)
00010011j
j
0
4
11
–
–
Grouping:
Bit operation
Description: Clears (0) the contents of bit j (bit specified
by the value j in the immediate field) of
M(DP).
Operation:
(Mj(DP))
← 0
j = 0 to 3
C
+j
MACHINE INSTRUCTIONS (INDEX BY ALPHABET) (continued)



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