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| 4509 Datasheet, PDF (81/142 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER | |||
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4509 Group
INDEX LIST OF INSTRUCTION FUNCTION (continued)
Group-
ing
Mnemonic
Function
Group-
ing
Mnemonic
TABSI (B) â (SI7âSI4) (A) â (SI3âSI0)
NOP
(PC) â (PC) + 1
Function
TSIAB (SI7âSI4) â (B) (SI3âSI0) â (A)
POF
RAM back-up
SST
(SIOF) â 0
Serial interface transmit/receive starting
SNZSI
V23=0: (SIOF)=1?
(SIOF) â 0
V23 = 1: SNZSI = NOP
TAJ1
(A) â (J1)
TJ1A
(J1) â (A)
CRCK RC oscillator selected
TRGA
(RG0) â (A0)
TAMR (A) â (MR)
TMRA (MR) â (A)
TABAD
Q13 = 0,
(B) â (AD9âAD6)
(A) â (AD5âAD2)
Q13 = 1,
(B) â (AD7âAD4)
(A) â (AD3âAD0)
EPOF POF instruction valid
SNZP (P) = 1 ?
DWDT Stop of watchdog timer function enabled
WRST
(WDF1) = 1 ?,
(WDF1) â 0
SRST System reset
RUPT (UPTF) â 0
SUPT (UPTF) â 1
SVDE** Voltage drop detection circuit valid at RAM back-
up
TALA
(A3, A2) â (AD1, AD0)
(A1, A0) â 0
TADAB
Q13 = 1 : (AD7âAD4) â (B)
(AD3âAD0) â (A)
Q13 = 0 : TABAD = NOP
TAQ1
(A) â (Q1)
TQ1A
(Q1) â (A)
ADST
(ADF) â 0
Q13 = 0 : A/D conversion starting
Q13 = 1 : Comparator operation starting
SNZAD
V22 = 0: (ADF) = 1 ?
(ADF) â 0
V22 = 1: SNZAD = NOP
Note: The SVDE instruction can be used only in the H version.
Rev.1.02 2006.12.22 page 81 of 140
REJ03B0147-0102
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