R5F61668RN50FPV Renesas Electronics America, R5F61668RN50FPV Datasheet - Page 142

• Manufacturer Part Number: R5F61668RN50FPV
• Description: IC H8SX/1668 MCU FLASH 144LQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8SX/1600r

Specifications of R5F61668RN50FPV

• 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
• 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: -20°C ~ 75°C
• Package / Case: 144-LQFP
• For Use With: R0K561668S000BE - KIT STARTER FOR H8SX/1668R0K561664S001BE - KIT STARTER FOR H8SX/1651HS0005KCU11H - EMULATOR E10A-USB H8S(X),SH2(A)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 5 Voltage Detection Circuit (LVD)
Note:
Rev. 2.00 Sep. 24, 2008 Page 108 of 1468
REJ09B0412-0200
Bit
6 to 3
2
1
0
*
Bit Name
—
LVDF
—
PORF
To clear the flag, only 0 should be written to.
Initial Value
All 0
Undefined
Undefined
Undefined
R/W
R/W
R/(W)*
R/W
R
Description
Reserved
These bits are always read as 0 and the write
value should always be 0.
LVD Flag
This bit indicates that the voltage detection circuit
has detected a low voltage (Vcc at or below
Vdet).
[Setting condition]
Vcc falling to or below Vdet.
[Clearing condition]
•
•
Reserved
The write value should always be 0.
Power-on Reset Flag
This bit indicates that a power-on reset has been
generated.
[Setting condition]
Generation of a power-on reset
[Clearing condition]
Generation of a pin reset
specified stabilization period has elapsed,
writing 0 to the bit after reading it as 1.
After Vcc has exceeded Vdet and the
Generation of a pin reset or power-on reset.