m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 489

• Manufacturer Part Number: m30833fjgp
• Description: Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
• Manufacturer: Renesas Electronics Corporation.

R
R
M
e
E
3
. v
J
2
0
27.4.3 Wait Mode
27.4.4 Stop Mode
C
1
9
3 .
B
8 /
When entering wait mode, the instruction queue reads ahead to instructions following the WAIT instruc-
tion, and the program stops. Write at least 4 NOP instructions after WAIT instruction.
• If stop mode is exited by any reset, apply an "L" signal to the RESET pin until a main clock oscillation is
• When entering stop mode, the instruction queue reads ahead to instructions following the instruction
0
stabilized enough.
setting the CM10 bit in the CM1 register to "1" (all clocks stopped), and the program stops. When the
microcomputer exits stop mode, the instruction lined in the instruction queue is executed before the
interrupt routine for recovery is done.
Write the JMP.B instruction as follows, after the instruction setting the CM10 bit to "1".
1
3
0
3
J
G
4
a
o r
0 -
n
e.g., bset 0, prcr
3 .
u
1
LABEL_001;
, 1
3
p
1
(
2
M
0
fset
bset 0, cm1
jmp.b LABEL_001 ; jmp.b instruction executed (no instruction between jmp.b and LABEL)
nop
nop
nop
nop
mov.b #0, prcr
0
3
•
•
•
6
2
C
8 /
Page 466
, 3
I
M
3
2
C
f o
8 /
4
3
8
) T
8
; protection removed
; I flag set
; all clocks stopped (stop mode)
; nop (1)
; nop (2)
; nop (3)
; nop (4)
; Protection set
27. Precautions (Clock Generation Circuit)