UPD78F1506GF-GAT-AX Renesas Electronics America, UPD78F1506GF-GAT-AX Datasheet - Page 831
UPD78F1506GF-GAT-AX
Manufacturer Part Number
UPD78F1506GF-GAT-AX
Description
MCU 16BIT 78K0R/LX3 128-LQFP
Manufacturer
Renesas Electronics America
Series
78K0R/Lx3r
Datasheet
1.UPD78F1500GK-GAK-AX.pdf
(1016 pages)
Specifications of UPD78F1506GF-GAT-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
20MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LCD, LVD, POR, PWM, WDT
Number Of I /o
78
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x12b, D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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78K0R/Lx3
(2) Delay from the time LVI reset source is generated until the time LVI reset has been generated or released
R01UH0004EJ0401 Rev.4.01
Jul 2, 2010
Figure 24-12. Delay from the time LVI reset source is generated until the time LVI reset has been generated or released
There is some delay from the time supply voltage (V
generated.
In the same way, there is also some delay from the time LVI detection voltage (V
time LVI reset has been released (see Figure 24-12).
Operation example 2: When used as interrupt
Remark If bit 2 (LVISEL) of the low voltage detection register (LVIM) is set to “1”, the meanings of the above words
<1>:
<Action>
voltage (V
interrupt by using bit 0 (LVIF) of the low-voltage detection register (LVIM). Clear bit 1 (LVIIF) of interrupt request
flag register 0L (IF0L) to 0.
after waiting for the supply voltage fluctuation time.
Confirm that “supply voltage (V
For a system with a long supply voltage fluctuation period near the LVI detection voltage, take the above action
Minimum pulse width (200
Interrupt requests may be generated frequently.
Take the following action.
Supply voltage (V
change as follows.
• Supply voltage (V
• Detection voltage (V
DD
) < detection voltage (V
LVI reset signal
LVIF flag
V
DD
LVI
)
DD
)
LVI
μ
) → Detection voltage (V
DD
s (MIN.))
→ Input voltage from external input pin (EXLVI)
) ≥ detection voltage (V
LVI
)” when detecting the rising edge of V
<1>
DD
) < LVI detection voltage (V
EXLVI
LVI
)” when detecting the falling edge of V
= 1.21 V)
CHAPTER 24 LOW-VOLTAGE DETECTOR
DD
LVI
, in the servicing routine of the LVI
LVI
) until the time LVI reset has been
) ≤ supply voltage (V
<1>
Time
DD
DD
, or “supply
) until the
831
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