UPD78F1203MC-CAB-AX Renesas Electronics America, UPD78F1203MC-CAB-AX Datasheet - Page 929
UPD78F1203MC-CAB-AX
Manufacturer Part Number
UPD78F1203MC-CAB-AX
Description
MCU 16BIT 78K0R/LX3 30-SSOP
Manufacturer
Renesas Electronics America
Series
78K0R/Ix3r
Datasheet
1.UPD78F1201MC-CAB-AX.pdf
(1067 pages)
Specifications of UPD78F1203MC-CAB-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
21
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1203MC-CAB-AX
Manufacturer:
RENESAS
Quantity:
15 000
Part Number:
UPD78F1203MC-CAB-AX
Manufacturer:
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Quantity:
20 000
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21.1 Functions of Low-Voltage Detector
pin is more than or less than the detection level can be checked by reading the low-voltage detection flag (LVIF: bit 0
of LVIM).
reset occurs. For details of RESF, see CHAPTER 19 RESET FUNCTION.
Selects reset (LVIMD = 1).
Generates an internal reset
signal when V
releases the reset signal when
V
DD
The low-voltage detector (LVI) has the following functions.
• The LVI circuit compares the supply voltage (V
• The supply voltage (V
• A reset or an interrupt can be selected to be generated after detection by software.
• Detection levels (V
• Operable in STOP mode.
The reset and interrupt signals are generated as follows depending on selection by software.
Remark LVISEL: Bit 2 of low-voltage detection register (LVIM)
While the low-voltage detector is operating, whether the supply voltage or the input voltage from an external input
When the low-voltage detector is used to reset, bit 0 (LVIRF) of the reset control flag register (RESF) is set to 1 if
≥ V
external input pin (EXLVI) with the detection voltage (V
internal interrupt signal.
by software.
Selection of Level Detection of Supply Voltage (V
LVI
.
DD
LVIMD: Bit 1 of LVIM
< V
LVI
and
(LVISEL = 0)
LVI
,10 levels) of supply voltage can be changed by software.
DD
) or the input voltage from the external input pin (EXLVI) can be selected to be detected
Selects interrupt (LVIMD = 0).
Generates an internal interrupt
signal when V
than V
V
(V
DD
DD
CHAPTER 21 LOW-VOLTAGE DETECTOR
becomes V
≥ V
LVI
LVI
(V
).
DD
DD
< V
LVI
drops lower
User’s Manual U19678EJ1V1UD
LVI
or higher
) or when
DD
)
DD
) with the detection voltage (V
Selects reset (LVIMD = 1).
Generates an internal reset
signal when EXLVI < V
and releases the reset signal
when EXLVI ≥ V
EXLVI
= 1.21 V ±0.1 V), and generates an internal reset or
Selection Level Detection of Input Voltage from
External Input Pin (EXLVI) (LVISEL = 1)
EXLVI
.
EXLVI
LVI
) or the input voltage from an
Selects interrupt (LVIMD = 0).
Generates an internal interrupt
signal when EXLVI drops
lower than V
V
becomes V
(EXLVI ≥ V
EXLVI
) or when EXLVI
EXLVI
EXLVI
EXLVI
).
or higher
(EXLVI <
927
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