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| 4502 Datasheet, PDF (100/116 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |||
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4502 Group
MACHINE INSTRUCTIONS (INDEX BY TYPES) (continued)
Parameter
Instruction code
Mnemonic
Type of
instructions
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Hexadecimal
notation
TABAD
1 0 0 1 1 1 1 0 0 1 279 1
TALA
1 0 0 1 0 0 1 0 0 1 249 1
TADAB
1 0 0 0 1 1 1 0 0 1 239 1
Function
1 In A/D conversion mode (Q13 = 0),
(B) â (AD9âAD6)
(A) â (AD5âAD2)
In comparator mode (Q13 = 1),
(B) â (AD7âAD4)
(A) â (AD3âAD0)
1 (A3, A2) â (AD1, AD0)
(A1, A0) â 0
1 (AD7âAD4) â (B)
(AD3âAD0) â (A)
TAQ1
TQ1A
ADST
SNZAD
NOP
POF
POF2
1001000100
1000000100
1010011111
1010000111
0000000000
0000000010
0000001000
2 4 4 1 1 (A) â (Q1)
2 0 4 1 1 (Q1) â (A)
2 9 F 1 1 (ADF) â 0
Q13 = 0: A/D conversion starting
Q13 = 1: Comparator operation starting
2 8 7 1 1 V22 = 0: (ADF) = 1 ?
After skipping, (ADF) â 0
V22 = 1: SNZAD = NOP
0 0 0 1 1 (PC) â (PC) + 1
0 0 2 1 1 RAM back-up
However, voltage drop detection circuit is valid
0 0 8 1 1 RAM back-up
EPOF
SNZP
0001011011
0000000011
05B 1
003 1
1 POF or POF2 instruction valid
1 (P) = 1 ?
DWDT
WRST
CMCK
CRCK
TAMR
TMRA
1010011100
1010100000
1010011010
1010011011
1001010010
1000010110
29C 1
2 A0 1
29A 1
29B 1
252 1
216 1
1 Stop of watchdog timer function enabled
1 (WDF1) = 1,
after skipping,
(WDF1) â 0
1 Ceramic resonator selected
1 RC oscillation selected
1 (A) â (MR)
1 (MR) â (A)
Rev.3.01 2005.02.02 page 100 of 112
REJ03B0105-0301
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