M30845FJGP#U3 Renesas Electronics America, M30845FJGP#U3 Datasheet - Page 71

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
6. Voltage Detection Circuit
e
E
3
. v
J
2
Figure 6.1 Voltage Detection Circuit Block Diagram
0
C
The voltage detection circuit consists of the reset level detection circuit and the low voltage detection circuit.
The reset level detection circuit monitors the voltage applied to the V
the reset level detection circuit detects V
puter is in stop mode.
The voltage detection circuit also monitors the voltage applied to the V
signal is generated when the low voltage detection circuit detects V
signal generates the low voltage detection interrupt. The VC13 bit in the VCR1 register determines whether
V
The voltage detection circuit is available when V
Figure 6.1 shows a block diagram of the voltage detection circuit.
1
9
RESET
CC1
0 .
8 /
B
V
The voltage detection circuit in M32C/84T cannot be used.
However, the cold start-up/warm start-up determine function is available.
CC1
0
1
4
NOTE
0
3
G
J
is above or below Vdet4.
6
u
o r
0 -
. l
u
0
1
p
, 7
0
1
(
2
CM10 Bit=1
(Stop Mode)
M
0
3
0
2
5
C
8 /
Page 48
, 4
M
VCR2 Register
b7 b6
3
2
C
f o
8 /
4
4
) T
9
5
CC1
Reset Level
Detection Circuit
Low Voltage
Detection Circuit
is Vdet3 or below. This circuit is disabled when the microcom-
+
+
Vdet3
Vdet4
E
E
CC1
=4.2V to 5.5V.
Noise Rejection
CC1
CC1
CC1
pin. The microcomputer is reset if
is above or below Vdet4. This
>T
pin. The low voltage detection
1 shot
VCR1 Register
Q
VC13 Bit
b3
6. Voltage Detection Circuit
Wait Time to Release
Brown-out Detection
Reset
td(S-R)
Low Voltage
Detection Signal
Internal Reset Signal
("L" active)