4501_M Datasheet, PDF (73/212 Pages) Renesas Technology Corp – 4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES

4501 Group
INDEX LIST OF INSTRUCTION FUNCTION (continued)
Group-
ing ^Mnemonic
Function
Page
NOP
(PC) ← (PC) + 1
69, 100
POF
RAM back-up
(Voltage drop detection circuit
valid)
70, 100
POF2
RAM back-up
70, 100
EPOF
POF, POF2 instructions valid
66, 100
SNZP
(P) = 1 ?
75, 100
DWDT
Stop of watchdog timer func-
tion enabled
66, 100
WRST
(WDF1) = 1 ?
After skipping, (WDF1) ← 0
88, 100
CMCK
Ceramic resonance circuit
selected
65, 100
CRCK
RC oscillation circuit selected
65, 100
TAMR
(A) ← (MR)
81, 100
TMRA
(MR) ← (A)
85, 100
HARDWARE
INSTRUCTIONS
Rev.2.01 Feb 07, 2005
REJ09B0192-0201
1-61