UPD78F0550MA-FAA-AX Renesas Electronics America, UPD78F0550MA-FAA-AX Datasheet - Page 624
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UPD78F0550MA-FAA-AX
Manufacturer Part Number
UPD78F0550MA-FAA-AX
Description
MCU 8BIT 16-SSOP
Manufacturer
Renesas Electronics America
Series
78K0/Kx2-Lr
Datasheet
1.UPD78F0550MA-FAA-AX.pdf
(734 pages)
Specifications of UPD78F0550MA-FAA-AX
Package / Case
*
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
10MHz
Number Of I /o
12
Core Processor
78K/0
Program Memory Type
FLASH
Ram Size
384 x 8
Program Memory Size
4KB (4K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
LVD, POR, PWM, WDT
Connectivity
I²C, LIN, UART/USART
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F0550MA-FAA-AX
Manufacturer:
Renesas
Quantity:
800
Part Number:
UPD78F0550MA-FAA-AX
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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624
Address: FFBEH
Symbol
Notes 1.
LVIM
2.
3.
LVISEL
LVION
LVIMD
LVION
LVIF
The reset value changes depending on the reset source and the setting of the option byte.
This register is not cleared (00H) by LVI reset.
It is set to “82H” when a reset signal other than LVI is applied if option byte LVISTART = 1, and to
“00H” if option byte LVISTART = 0.
Bit 0 is read-only.
LVION, LVIMD, and LVISEL are cleared to 0 in the case of a reset other than an LVI reset. These
are not cleared to 0 in the case of an LVI reset.
<7>
0
1
0
1
0
1
0
1
Notes 3, 4
Notes 3, 5
Note 3
After reset: 00H
Disables operation
Enables operation
Detects level of supply voltage (V
Detects level of input voltage from external input pin (EXLVI)
Figure 22-2. Format of Low-Voltage Detection Register (LVIM)
LVISEL = 0: Generates an internal interrupt signal when the supply voltage (V
LVISEL = 1: Generates an interrupt signal when the input voltage from an external
LVISEL = 0: Generates an internal reset signal when the supply voltage (V
LVISEL = 1: Generates an internal reset signal when the input voltage from an
LVISEL = 0: Supply voltage (V
LVISEL = 1: Input voltage from external input pin (EXLVI)
LVISEL = 0: Supply voltage (V
LVISEL = 1: Input voltage from external input pin (EXLVI) < LVI detection voltage
6
0
Note 1
Low-voltage detection operation mode (interrupt/reset) selection
CHAPTER 22 LOW-VOLTAGE DETECTOR
lower than the LVI detection voltage (V
becomes V
input pin (EXLVI) drops lower than the LVI detection voltage (V
(EXLVI < V
V
LVI detection voltage (V
external input pin (EXLVI) < the LVI detection voltage (V
releases the reset signal when EXLVI
is disabled
(V
(V
EXLVI
EXLVI
EXLVI
5
0
Preliminary User’s Manual U19111EJ2V1UD
R/W
).
), or when LVI operation is disabled
)
Note 2
Enables low-voltage detection operation
LVI
EXLVI
or higher (V
) or when EXLVI becomes V
4
0
Voltage detection selection
Low-voltage detection flag
DD
DD
DD
)
) < LVI detection voltage (V
)
LVI detection voltage (V
LVI
DD
) and releases the reset signal when V
3
0
V
LVI
).
LVISEL
LVI
V
<2>
) (V
EXLVI
EXLVI
Note 5
DD
.
LVI
LVI detection voltage
LVI
< V
or higher (EXLVI
), or when LVI operation
)
LVI
LVIMD
) or when V
<1>
EXLVI
) and
DD
EXLVI
) < the
DD
DD
DD
LVIF
<0>
)
) drops
V
LVI
.
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