UPD78F0551MA-FAA-AX Renesas Electronics America, UPD78F0551MA-FAA-AX Datasheet - Page 694

• Manufacturer Part Number: UPD78F0551MA-FAA-AX
• Description: MCU 8BIT 16-SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2-Lr

Specifications of UPD78F0551MA-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: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 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: -

<R>
<R>
78K0/Kx2-L
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
V
V
V
POR
PDR
Notes 1.
Remarks 1. <1> to <7> in Figure 22-6 above correspond to <1> to <7> in the description of “When starting
LVI
(b) When LVI default start function enabled is set (LVISTART = 1)
= 1.91 V (TYP.)
= 1.61 V (TYP.)
= 1.59 V (TYP.)
Internal reset signal
Supply voltage (V
(set by software)
(set by software)
POC reset signal
(set by software)
(set by software)
The setting when operation starts and when operation stops is the same as that described in 22.4.1 (1) When
LVI default start function stopped is set (LVISTART = 0).
LVIRF flag
LVI reset signal
2.
3.
LVISEL flag
LVIMK flag
LVION flag
LVIMD flag
2. V
LVIF flag
The LVIMK flag is set to “1” by reset signal generation.
The LVIIF flag of the interrupt request flag registers and the LVIF flag may be set (1).
LVIRF is bit 0 of the reset control flag register (RESF).
For details of RESF, refer to CHAPTER 20 RESET FUNCTION.
operation” in 22.4.1 (1) (a) When LVI default start function stopped is set (LVISTART = 0).
V
Figure 22-6. Timing of Low-Voltage Detector Internal Reset Signal Generation
POR
PDR
Note 3
V
LVI
DD
: POC power supply rise detection voltage
: POC power supply fall detection voltage
)
H
L
Note 1
<2>
<1>
Note 2
<4>
(Bit: LVISEL = 0, Option Byte: LVISTART = 1)
used for reset
Set LVI to be
<6>
<3>
<7>
<5> Wait time
Not cleared
Not cleared
Cleared by
software
Not cleared
Not cleared
CHAPTER 22 LOW-VOLTAGE DETECTOR
Cleared by
software
Cleared
Cleared
Cleared
Time
680