UPD78F0552MA-FAA-AX Renesas Electronics America, UPD78F0552MA-FAA-AX Datasheet - Page 690
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UPD78F0552MA-FAA-AX
Manufacturer Part Number
UPD78F0552MA-FAA-AX
Description
MCU 8BIT 16-SSOP
Manufacturer
Renesas Electronics America
Series
78K0/Kx2-Lr
Datasheet
1.UPD78F0551MA-FAA-AX.pdf
(822 pages)
Specifications of UPD78F0552MA-FAA-AX
Core Processor
78K/0
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, LIN, UART/USART
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
9
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 4x10b
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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<R>
78K0/Kx2-L
(3) Port mode register 12 (PM12) (78K0/KB2-L and 78K0/KC2-L only)
22.4 Operation of Low-Voltage Detector
(1) Used as reset (LVIMD = 1)
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
The low-voltage detector can be used in the following two modes.
When using the P120/EXLVI/INTP0 pin for external low-voltage detection potential input, set PM120 to 1. At this time,
the output latch of P120 may be 0 or 1.
PM12 can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets this register to FFH.
• If LVISEL = 0, compares the supply voltage (V
• If LVISEL = 1, compares the input voltage from external input pin (EXLVI) and LVI detection voltage (V
signal when V
generates an internal reset signal when EXLVI < V
Remarks 1. The low-voltage detector (LVI) can be set to ON by an option byte by default. If it is set to ON to
Address: FF2CH
Symbol
PM12
Figure 22-4. Format of Port Mode Register 12 (PM12) (78K0/KB2-L and 78K0/KC2-L only)
2. Level detection of input voltage from external input pin (EXLVI) is available only in 78K0/KB2-L and
PM120
raise the power supply from the POC detection voltage (V
reset signal is generated when the supply voltage (V
78K0/KC2-L.
DD
0
1
< V
7
1
LVI
After reset: FFH
, and releases internal reset when V
Output mode (output buffer on)
Input mode (output buffer off)
6
1
R/W
5
1
DD
P120 pin I/O mode selection
EXLVI
) and LVI detection voltage (V
4
1
, and releases internal reset when EXLVI ≥ V
DD
≥ V
CHAPTER 22 LOW-VOLTAGE DETECTOR
3
1
LVI
DD
.
) < detection voltage (V
POR
2
1
= 1.61 V (TYP.)) or lower, the internal
LVI
), generates an internal reset
1
1
LVI
= 1.91 V ±0.1 V).
PM120
0
EXLVI
.
EXLVI
676
),
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