M30845FJGP#U3 Renesas Electronics America, M30845FJGP#U3 Datasheet - Page 76

IC M32C MCU FLASH 512K 144LQFP

M30845FJGP#U3

Manufacturer Part Number
M30845FJGP#U3
Description
IC M32C MCU FLASH 512K 144LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Datasheets

Specifications of M30845FJGP#U3

Core Processor
M32C/80
Core Size
16/32-Bit
Speed
32MHz
Connectivity
CAN, I²C, IEBus, SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
121
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 34x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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M
R
R
e
E
3
. v
J
2
Figure 6.5 Low Voltage Detection Interrupt Generation Circuit
Figure 6.6 Low Voltage Detection Interrupt Generation Circuit Operation Example
0
C
1
9
8 /
0 .
B
Watchdog Timer
V
V
0
4
(Rejection Range:200 ns)
1
CC1
REF
0
G
Low Voltage
Detection
Interrupt Signal
3
VC27 bit
V
VC13 Bit
Digital Filter
D42 Bit
J
Low Voltage
Detection Circuit
6
u
NOTES:
CC1
o r
+
-
0 -
. l
u
0
1
NOTES:
p
, 7
0
1. Low voltage detection signal becomes "H" when the VC27 bit in the VCR2 register is set to "0" (disabled).
2. The D42 bit in the D4INT register is set to "0" (not detected) by program. The D42 bit is set to "0" when the VC27 bit is
3. The D43 bit is set to “0”(not detected) by program.
set to "0" (low voltage detection circuit disabled).
1
Rejection
(
1. This example applies to an operation of the low voltage detection interrupt generation circuit
2. Output from the digital filter shown in Figure 6.5.
2
M
Noise
0
3
0
when the D40 bit in the D4INT register is set to "1" (low voltage detection interrupt enabled).
(2)
2
5
C
Underflow Signal
from the
Watchdog Timer
8 /
Page 53
, 4
M
Low
Voltage
Detection
Signal
3
VC13
CPU
Clock
2
C
Sampling
(1)
8 /
f o
4
Low Voltage Detection Interrupt Generation Circuit
4
1/8
) T
9
D43
5
WAIT Instruction
(Wait Mode)
(3)
1/2
Noise Rejection
Circuit
1/2
CM10
D41
Sampling
1/2
00
01
10
11
2
2
2
2
Digital
Filter
DF1, DF0
No low voltage detection
interrupt signal is output
when the D42 bit is set
to "1".
D42
Set to "0" (not detected) by program
(2)
D40
Sampling
Oscillation Stop
Detection
Interrupt Signal
Low Voltage
Detection
Interrupt Signal
Watchdog
Timer Interrupt
Signal
6. Voltage Detection Circuit
Sampling
Non-
Maskable
Interrupt
Signal