UPD78F0550MA-FAA-AX Renesas Electronics America, UPD78F0550MA-FAA-AX Datasheet - Page 638

• Manufacturer Part Number: UPD78F0550MA-FAA-AX
• Description: MCU 8BIT 16-SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2-Lr

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: -

638
V
LVI
Notes 1.
Remarks 1. <1> to <3> in Figure 22-9 above correspond to <1> to <3> in the description of “When starting
value after a change
V
V
Supply voltage (V
Internal reset signal
POR
PDR
V
(set by software)
LVI
(set by software)
(set by software)
(set by software)
= 1.61 V (TYP.)
= 1.59 V (TYP.)
= 1.91 V (TYP.)
2.
3.
LVISEL flag
LVIMK flag
LVIMD flag
LVION flag
2. V
LVIIF flag
LVIF flag
The LVIMK flag is set to “1” by reset signal generation.
If LVI operation is disabled (clears LVION) when the supply voltage (V
detection voltage (V
The LVIIF flag may be set when the LVI detection voltage is changed.
INTLVI
operation” in 22.4.2 (1) (b) When LVI default start function enabled is set (LVISTART = 1).
V
POR
PDR
Figure 22-9. Timing of Low-Voltage Detector Interrupt Signal Generation
DD
)
: POC power supply fall detection voltage
: POC power supply rise detection voltage
L
Note 1
<1>
(Bit: LVISEL = 0, Option Byte: LVISTART = 1)
LVI
), an interrupt request signal (INTLVI) is generated and LVIIF may be set to 1.
CHAPTER 22 LOW-VOLTAGE DETECTOR
<3> Cleared by software
<2>
Preliminary User’s Manual U19111EJ2V1UD
Mask LVI interrupts
(LVIMK = 1)
Note 2
voltage (V
Change LVI
detection
Cleared by software
Note 3
LVI
)
LVI interrupt mask
Cancelling the
(LVIMK = 0)
Note 2
DD
) is less than or equal to the
Time