m30262f8gp Renesas Electronics Corporation., m30262f8gp Datasheet - Page 25

• Manufacturer Part Number: m30262f8gp
• Description: Renesas 16-bit Cmos Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

Reset
Figure 1.5.8. V
Figure 1.5.9. V
V
Output of the digital filter (Note 2)
Watchdog timer block
V
VC13 bit
D42 bit
V
V
V
(Note 1)
DET4
CC
Note 1 : D40 is 1 (V
Note 2 : Output of the digital filter shown in Figure 1.5.8.
CC
REF
DET4
2. Limitations on wait instructions with peripheral clocks turned off
If the WAIT instruction is executed when bit VC13 of the VCR1 register is equal to “1” (V
V
of the D4INT register is equal to “1” (V
is immediately generated, causing the microcomputer to exit from wait mode.
In systems where the microcomputer enters wait mode when the input voltage in the V
under V
WAIT instruction is executed when VC13 = “0” (V
detect circuit
VC27
DET4
+
-
(Rejection wide:200 ns)
detect interrupt signal
Preliminary Specifications Rev. 0.9
), bit VC27 of the VCR2 register is equal to “1” (V
Noise
rejection
Specifications in this manual are tentative and subject to change.
DET4
WAIT instruction(wait mode)
DET4
DET4
Watchdog timer
overflow signal
DET4
and exits from wait mode when the input voltage goes over V
bit= 0 (disabled)
detection interrupt generation block
detection interrupt generation circuit operation example
H when VC27
detect interrupt enabled)
V
signal
CM02
DET4
BCLK
VC13
detect
1/8
This bit is cleared to 0 (not detected) by writing a 0 in a program.
V
DET4
D43
detect interrupt generation circuit
1/2
sampling
Renesas Technology Corp.
1/2
DET4
Noise rejection
circuit
1/2
detection interrupt enabled), a V
00
01
10
11
2
2
2
2
DF1, DF0
sampling
CC
D41
Digital
filter
< V
DET4
DET4
No V
when the D42 bit is H .
D42
detection circuit enabled), and bit D40
D42 bit is cleared to 0 (not
detected) by writing a 0 in a
program. VC27 bit is cleared to
disabled), the D42 bit is set to
DET4
0 (V
0 .
).
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
DET4
D40
detection interrupt signals are generated
Set to 0 in a
program
detected)
detection circuit
sampling
(not
DET4
DET4
watchdog
timer interrupt
signal
V
interrupt signal
Oscillation stop
detection
interrupt signal
DET4
detection interrupt
detect
, ensure that the
Set to 0 in a
program
detected)
M16C/26 Group
sampling
CC
(not
pin drops
Non-maskable
interrupt signal
CC
³
19