UPD70F3714GC-8BS-A Renesas Electronics America, UPD70F3714GC-8BS-A Datasheet - Page 603
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UPD70F3714GC-8BS-A
Manufacturer Part Number
UPD70F3714GC-8BS-A
Description
MCU 32BIT V850ES/LX2 64-LQFP
Manufacturer
Renesas Electronics America
Series
V850ES/Ix2r
Datasheet
1.UPD70F3713GC-8BS-A.pdf
(674 pages)
Specifications of UPD70F3714GC-8BS-A
Core Processor
RISC
Core Size
32-Bit
Speed
20MHz
Connectivity
CSI, UART/USART
Peripherals
LVD, PWM, WDT
Number Of I /o
39
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
6K x 8
Voltage - Supply (vcc/vdd)
3.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
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:
UPD70F3714GC-8BS-A
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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(b) To use for interrupt
Internal reset signal
When the operation of LVI is enabled, the supply voltage and detection voltage are compared.
supply voltage is lower than the detection voltage, an interrupt request signal (INTLVI) is generated (when
the LVIM.LVIMD bit is cleared to 0).
The following shows the operation setting method and timing chart.
<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 0.1 ms (TYP) (target value) or more by software.
<5> By using the LVIM.LVIF bit, check if the supply voltage > detection voltage.
<6> Clear the interrupt request flag of LVI.
<7> Unmask the interrupt of LVI.
<To stop operation>
Clear the LVION bit to 0.
Supply voltage
POC detection
request signal
INTLVI signal
LVI detection
LVI detection
(active low)
POC reset
LVION bit
LVIF bit
voltage
voltage
signal
(V
Figure 16-6. Operation Timing of Low-Voltage Detector (LVIMD Bit = 0)
DD
)
Delay
Delay
Set (by instruction, refer to <3> above.)
CHAPTER 16 RESET FUNCTIONS
User’s Manual U17716EJ2V0UD
Delay
Delay
Delay
Delay
Clear
(by POC reset request signal)
Delay
Delay
Time
If the
601
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