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4501 Datasheet(PDF) 112 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) 112 Page - Renesas Technology Corp

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Parameter
Instruction code
Function
Mnemonic
Type of
instructions
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Hexadecimal
notation
INSTRUCTIONS
1-100
Rev.2.01
Feb 07, 2005
4501 Group
HARDWARE
REJ09B0192-0201
TABAD
TALA
TADAB
TAQ1
TQ1A
ADST
SNZAD
NOP
POF
POF2
EPOF
SNZP
DWDT
WRST
CMCK
CRCK
TAMR
TMRA
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
279
249
239
244
204
29F
287
000
002
008
05B
003
29C
2A 0
29A
29B
252
216
1001111001
1001001001
1000111001
1001000100
1000000100
1010011111
1010000111
0000000000
0000000010
0000001000
0001011011
0000000011
1010011100
1010100000
1010011010
1010011011
1001010010
1000010110
In A/D conversion mode (Q13 = 0),
(B)
← (AD9–AD6)
(A)
← (AD5–AD2)
In comparator mode (Q13 = 1),
(B)
← (AD7–AD4)
(A)
← (AD3–AD0)
(A3, A2)
← (AD1, AD0)
(A1, A0)
← 0
(AD7–AD4)
← (B)
(AD3–AD0)
← (A)
(A)
← (Q1)
(Q1)
← (A)
(ADF)
← 0
Q13 = 0: A/D conversion starting
Q13 = 1: Comparator operation starting
V22 = 0: (ADF) = 1 ?
After skipping, (ADF)
← 0
V22 = 1: SNZAD = NOP
(PC)
← (PC) + 1
RAM back-up
However, voltage drop detection circuit is valid
RAM back-up
POF or POF2 instruction valid
(P) = 1 ?
Stop of watchdog timer function enabled
(WDF1) = 1,
after skipping,
(WDF1)
← 0
Ceramic resonator selected
RC oscillation selected
(A)
← (MR)
(MR)
← (A)
MACHINE INSTRUCTIONS (INDEX BY TYPES) (continued)



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