R5F61668RD50FPV Renesas Electronics America, R5F61668RD50FPV Datasheet - Page 139
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R5F61668RD50FPV
Manufacturer Part Number
R5F61668RD50FPV
Description
MCU 3V 1024K I-TEMP 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668RN50FPV.pdf
(1506 pages)
Specifications of R5F61668RD50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Eeprom Size
-
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5F61668RD50FPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 139 of 1506
- Download datasheet (9Mb)
The voltage detection circuit (LVD) is only supported by the H8SX/1668M Group.
This circuit is used to monitor Vcc. The LVD is capable of internally resetting the LSI when Vcc
falls and crosses the voltage detection level. An interrupt can also be generated.
5.1
•
A block diagram of the voltage detection circuit is shown in figure 5.1.
Capable of detecting the power-supply voltage (Vcc) becoming less than or equal to Vdet.
Capable of generating an internal reset or interrupt when a low voltage is detected.
Voltage-detection circuit
Vcc
[Legend]
LVDE:
LVDRI:
LVDMON: LVD monitor
LVDF:
Features
On-chip reference
(for sensing Vdet)
Section 5 Voltage Detection Circuit (LVD)
LVD enable
LVD reset / interrupt select
LVD flag
voltage
Figure 5.1 Block Diagram of Voltage-Detection Circuit
+
−
Power-supply
stabilization
time
generation
circuit
LVDRI
LVDF
LVDE
Rev. 2.00 Sep. 24, 2008 Page 105 of 1468
Section 5 Voltage Detection Circuit (LVD)
Reset /
interrupt
control
circuit
LVDMON
Voltage-monitoring
reset
Voltage-monitoring
interrupt
REJ09B0412-0200
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