UPD78F1211MC-GAA-AX Renesas Electronics America, UPD78F1211MC-GAA-AX Datasheet - Page 946
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UPD78F1211MC-GAA-AX
Manufacturer Part Number
UPD78F1211MC-GAA-AX
Description
MCU 16BIT 78K0R/LX3 38-SSOP
Manufacturer
Renesas Electronics America
Series
78K0R/Ix3r
Datasheet
1.UPD78F1201MC-CAB-AX.pdf
(1067 pages)
Specifications of UPD78F1211MC-GAA-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
40MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
27
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
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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(2) Delay from the time LVI reset source is generated until the time LVI reset has been generated or released
944
Figure 21-10. 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
been generated.
In the same way, there is also some delay from the time LVI detection voltage (V
the time LVI reset has been released (see Figure 21-10).
Remark If bit 2 (LVISEL) of the low voltage detection register (LVIM) is set to “1”, the meanings of the above
<1>:
Operation example 2: When used as interrupt
Supply voltage (V
<Action>
“supply voltage (V
of the LVI 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.
action 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
LVI reset signal
Minimum pulse width (200
Interrupt requests may be generated frequently.
Take the following action.
words change as follows.
• Supply voltage (V
• Detection voltage (V
LVIF flag
V
DD
LVI
)
DD
) < detection voltage (V
DD
)
LVI
CHAPTER 21 LOW-VOLTAGE DETECTOR
<1>
μ
) → Detection voltage (V
s (MIN.))
→ Input voltage from external input pin (EXLVI)
DD
) ≥ detection voltage (V
User’s Manual U19678EJ1V1UD
LVI
)” when detecting the rising edge of V
DD
) < LVI detection voltage (V
EXLVI
= 1.21 V)
LVI
)” when detecting the falling edge of V
<1>
LVI
LVI
) ≤ supply voltage (V
) until the time LVI reset has
DD
Time
, in the servicing routine
DD
DD
) until
, or
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