UPD78F1506GF-GAT-AX Renesas Electronics America, UPD78F1506GF-GAT-AX Datasheet - Page 804

• Manufacturer Part Number: UPD78F1506GF-GAT-AX
• Description: MCU 16BIT 78K0R/LX3 128-LQFP
• Manufacturer: Renesas Electronics America
• Series: 78K0R/Lx3r

Specifications of UPD78F1506GF-GAT-AX

• Core Processor: 78K/0R
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: 3-Wire SIO, I²C, LIN, UART/USART
• Peripherals: DMA, LCD, LVD, POR, PWM, WDT
• Number Of I /o: 78
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

78K0R/Lx3
23.2 Configuration of Power-on-Clear Circuit
23.3 Operation of Power-on-Clear Circuit
below.
R01UH0004EJ0401 Rev.4.01
Jul 2, 2010
The block diagram of the power-on-clear circuit is shown in Figure 23-1.
• An internal reset signal is generated on power application. When the supply voltage (V
• The supply voltage (V
The timing of generation of the internal reset signal by the power-on-clear circuit and low-voltage detector is shown
voltage (V
Caution If the low-voltage detector (LVI) is set to ON by an option byte by default, the reset signal is not
internal reset signal is generated.
Note
These are preliminary values and subject to change.
PDR
released until the supply voltage (V
= 1.61 V ±0.09 V
V
DD
DD
) and detection voltage (V
Figure 23-1. Block Diagram of Power-on-Clear Circuit
Reference
voltage
Note
source
), the reset status is released.
+
−
V
DD
DD
) exceeds 2.07 V ±0.2 V
PDR
= 1.59 V ±0.09 V
CHAPTER 23 POWER-ON-CLEAR CIRCUIT
Note
Note
) are compared. When V
Internal reset signal
.
DD
) exceeds the detection
DD
< V
PDR
, the
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