UPD70F3737GF-GAS-AX Renesas Electronics America, UPD70F3737GF-GAS-AX Datasheet - Page 888
UPD70F3737GF-GAS-AX
Manufacturer Part Number
UPD70F3737GF-GAS-AX
Description
MCU 32BIT V850ES/JX3-L 100-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Lr
Datasheet
1.UPD70F3737GF-GAS-AX.pdf
(1071 pages)
Specifications of UPD70F3737GF-GAS-AX
Core Processor
RISC
Core Size
32-Bit
Speed
20MHz
Connectivity
CSI, EBI/EMI, I²C, UART/USART
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
84
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 3.6 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3737GF-GAS-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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26.4.2 To use for interrupt
886
Figure 26-3. Timing of Low-Voltage Detector Operation (LVIMD Bit = 0, Low-Voltage Detection Level: 2.80 V)
<To start operation>
<1> Mask the interrupt of LVI.
<2> Select the voltage to be detected by using the LVIS.LVIS0 bit.
<3> Set the LVIM.LVION bit to 1 (to enable operation).
<4> Insert a wait cycle of 0.2 ms (max.) or more by software.
<5> By using the LVIM.LVIF bit, check if the supply voltage is higher than the detection voltage.
<6> Clear the interrupt request flag of LVI.
<7> Unmask the interrupt of LVI.
<To stop operation>
<1> By using the LVIM.LVIF bit, check if the supply voltage is higher than the detection voltage.
<2> Clear the LVION bit to 0.
Caution When the INTLVI signal is generated, confirm, by using the LVIM.LVIF bit, whether the INTLVI
LVI detection voltage
(2.80 V (TYP.))
Supply voltage (V
External RESETIC
detection voltage
signal was generated due to the supply voltage dropping below or rising above the detection
voltage.
INTLVI signal
RESET pin
LVION bit
DD
)
CHAPTER 26 LOW-VOLTAGE DETECTOR (LVI)
User’s Manual U18953EJ5V0UD
Time
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