R5F61668RN50FPV Renesas Electronics America, R5F61668RN50FPV Datasheet - Page 136

• 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 4 Resets
4.6
This is an internal reset generated by the power-supply detection circuit.
When Vcc falls below Vdet in the state where the LVDE bit in LVDCR has been set to 1 and the
LVDRI bit has been cleared to 0, a voltage-monitoring reset is generated. When Vcc subsequently
rises above Vdet, release from the voltage-monitoring reset proceeds after a specified time has
elapsed.
For details of the voltage-monitoring reset, see section 5, Voltage Detection Circuit (LVD), and
section 30, Electrical Characteristics.
Rev. 2.00 Sep. 24, 2008 Page 102 of 1468
REJ09B0412-0200
Notes: For details of the electrical characteristics, see section 30, Electrical Characteristics.
Vpor*
External
power supply Vcc
RES pin
POR signal
("L" is valid)
Reset signal
("L" is valid)
Pin reset and
OR signal for POR
PORF
1
1. V
2. T
Power Supply Monitoring Reset (H8SX/1668M Group)
POR
POR
shows a level of power-on reset detection level.
shows a time for power-on reset.
Vcc
Vcc
Vcc
Vcc
V
V
V
Figure 4.2 Operation of a Power on Reset
Set
Reset state
t
POR
*
2
Set
Reset state
t
POR
*
2