UPD78F1146AGB-GAH-AX Renesas Electronics America, UPD78F1146AGB-GAH-AX Datasheet - Page 648

• Manufacturer Part Number: UPD78F1146AGB-GAH-AX
• Description: MCU 16BIT 78K0R/KX3 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Kx3r

Specifications of UPD78F1146AGB-GAH-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 50
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 1.8 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: -

V
646
LVI
Supply voltage (V
Notes 1.
Remark <1> to <3> in Figure 20-9 above correspond to <1> to <3> in the description of “When starting
V
value after a change
Internal reset signal
V
LVI
POC
(set by software)
(set by software)
(set by software)
(set by software)
= 2.07 V (TYP.)
= 1.59 V (TYP.)
LVISEL flag
2.
3.
LVIMD flag
LVIMK flag
LVION flag
LVIIF flag
LVIF flag
operation” in 20.4.2 (1) (b) When LVI Default Start Function Enabled Is Set (Option Byte: LVIOFF =
0).
INTLVI
The LVIMK flag is set to “1” by reset signal generation.
If LVI operation is disabled when the supply voltage (V
(V
The LVIIF flag may be set when the LVI detection voltage is changed.
LVI
DD
), an interrupt request signal (INTLVI) is generated and LVIIF may be set to 1.
Figure 20-9. Timing of Low-Voltage Detector Interrupt Signal Generation
)
L
<1>
Note 1
Mask LVI interrupts
(LVIMK = 1)
(Bit: LVISEL = 0, Option Byte: LVIOFF = 0)
CHAPTER 20 LOW-VOLTAGE DETECTOR
<3> Cleared by software
<2>
User’s Manual U17854EJ9V0UD
Note 2
Change LVI detection
voltage (V
LVI
)
Cleared by software
Note 3
Cancelling the LVI interrupt
DD
Note 2
) is less than or equal to the detection voltage
mask (LVIMK = 0)
Time