UPD70F3771GF-GAT-AX Renesas Electronics America, UPD70F3771GF-GAT-AX Datasheet - Page 1346
UPD70F3771GF-GAT-AX
Manufacturer Part Number
UPD70F3771GF-GAT-AX
Description
MCU 32BIT V850ES/JX3-H 128-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Jx3-Hr
Datasheet
1.UPD70F3760GC-UEU-AX.pdf
(1512 pages)
Specifications of UPD70F3771GF-GAT-AX
Core Processor
RISC
Core Size
32-Bit
Speed
48MHz
Connectivity
CAN, CSI, EBI/EMI, I²C, UART/USART, USB
Peripherals
DMA, LVD, PWM, WDT
Number Of I /o
96
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
40K x 8
Voltage - Supply (vcc/vdd)
2.85 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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD70F3771GF-GAT-AX
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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V850ES/JG3-H, V850ES/JH3-H
28.4.2 To use for interrupt
28.5 RAM Retention Voltage Detection Operation
R01UH0042EJ0400 Rev.4.00
Sep 30, 2010
<To start operation>
<1> Mask the interrupt of LVI.
<2> Set the LVIM.LVION bit to 1 (to enable operation).
<3> Insert a wait cycle of 0.2 ms (max.) or more by software.
<4> By using the LVIM.LVIF bit, check if the supply voltage > detected voltage.
<5> Clear the interrupt request flag of LVI.
<6> Unmask the interrupt of LVI.
<To stop operation>
Clear the LVION bit to 0.
Note Since the LVION bit is the initial value (operation disabled) due to the external reset input, no INTLVI
Caution When the INTLVI signal is generated, confirm, using the LVIM.LVIF bit, whether the INTLVI
LVI detected voltage
Supply voltage (V
Internal reset signal
External RESET IC
LVI detected signal
interrupts occur.
detected voltage
(2.95 V (TYP.))
signal is generated due to a supply voltage drop or rise across the detected voltage.
INTLVI signal
(active low)
RESET pin
LVION bit
Figure 28-3. Operation Timing of Low-Voltage Detector (LVIMD Bit = 0)
DD
)
Delay
Delay
CHAPTER 28 LOW-VOLTAGE DETECTOR (LVI)
Clear
Delay
Note
Page 1346 of 1509
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