UPD78F1506GF-GAT-AX Renesas Electronics America, UPD78F1506GF-GAT-AX Datasheet - Page 409

• 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: -

<R>
78K0R/Lx3
R01UH0004EJ0401 Rev.4.01
Jul 2, 2010
A/D converter
operation
Cautions 1. Make sure the period of <4> to <8> is 1
Remark Two types of A/D conversion result registers are available.
INTAD
ADCR
SAR
conversion result register (ADCR, ADCRH) to 0000H or 00H.
• ADCR (16 bits): Store 12-bit A/D conversion value
• ADCRH (8 bits): Store 8-bit A/D conversion value
2. To use an operational amplifier output for an analog input, start operating the operational
3. To use an output voltage of the voltage reference for a positive reference voltage of A/D
4. When using the A/D converter in normal mode 2 (LV1 = 0, LV0 = 1) or low voltage mode (LV1 = 1,
Undefined
amplifier before setting the A/D conversion operation (see CHAPTER 12 OPERATIONAL
AMPLIFIER).
conversion operation.
converter, start operating the voltage reference before setting the A/D conversion operation (see
CHAPTER 13 VOLTAGE REFERENCE). Furthermore, do not change the voltage reference setting
during the A/D conversion operation.
LV0 = 0), enable the input gate voltage boost circuit for the A/D converter by using the analog
reference voltage control register (ADVRC), and then set ADCE and ADCS to 1. After the voltage
boost circuit stabilization time (10
converter has been enabled, set ADCS to 1.
Sampling
Sampling time
Furthermore, do not change the operational amplifier setting during the A/D
Figure 10-14. Basic Operation of A/D Converter
μ
Conversion time
s) passes after the input gate voltage boost circuit for the A/D
A/D conversion
μ
s or more.
Reset signal generation clears the A/D
CHAPTER 10 A/D CONVERTER
Conversion
result
Conversion
result
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