4502 Datasheet, PDF (60/116 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4502 Group
INDEX LIST OF INSTRUCTION FUNCTION (continued)
Group-
ing ^Mnemonic
Function
Page
NOP
(PC) ← (PC) + 1
68, 100
POF
RAM back-up
(Voltage drop detection circuit
valid)
70, 100
POF2
RAM back-up
70, 100
EPOF
POF, POF2 instructions valid
65, 100
SNZP
(P) = 1 ?
75, 100
DWDT
Stop of watchdog timer func-
tion enabled
65, 100
WRST
(WDF1) = 1 ?
After skipping, (WDF1) ← 0
88, 100
CMCK
Ceramic resonance circuit
selected
64, 100
CRCK
RC oscillation circuit selected
64, 100
TAMR
(A) ← (MR)
80, 100
TMRA
(MR) ← (A)
85, 100
Rev.3.01 2005.02.02 page 60 of 112
REJ03B0105-0301