UPD70F3738GF-GAS-AX Renesas Electronics America, UPD70F3738GF-GAS-AX Datasheet - Page 503

• Manufacturer Part Number: UPD70F3738GF-GAS-AX
• Description: MCU 32BIT V850ES/JX3-L 100-LQFP
• Manufacturer: Renesas Electronics America
• Series: V850ES/Jx3-Lr

Specifications of UPD70F3738GF-GAS-AX

• Core Processor: RISC
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: CSI, EBI/EMI, I²C, UART/USART
• Peripherals: DMA, LVD, PWM, WDT
• Number Of I /o: 84
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.2 V ~ 3.6 V
• Data Converters: A/D 12x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

14.1 Overview
analog input signal channels (ANI0 to ANI11).
14.2 Functions
The A/D converter converts analog input signals into digital values, has a resolution of 10 bits, and can handle 12
The A/D converter has the following features.
(1) 10-bit resolution A/D conversion
(2) Power-fail detection
10-bit resolution
12 channels
Successive approximation method
Operating voltage: AV
Analog input voltage: 0 V to AV
The following functions are provided as operation modes.
• Continuous select mode
• Continuous scan mode
• One-shot select mode
• One-shot scan mode
The following functions are provided as trigger modes.
• Software trigger mode
• External trigger mode (external, 1)
• Timer trigger mode
Conversion time
2.6 to 24
2.7 to 24
Power-fail monitor function (conversion result compare function)
A/D conversion is repeated at a resolution of 10 bits for an analog signal that is input to a channel selected
from ANI0 to ANI11.
This function is used to detect a drop in the battery voltage. The result of A/D conversion (the value of the
ADA0CRnH register) is compared with the value of the ADA0PFT register, and the INTAD signal is generated
only when the comparison condition specified by the ADA0PFM register is satisfied (n = 0 to 11).
μ
μ
s@3.0 V ≤ AV
s@2.7 V ≤ AV
REF0
Each time A/D conversion is completed, an interrupt request signal (INTAD) is generated.
REF0
REF0
= 2.7 to 3.6 V
≤ 3.6 V
< 3.0 V
REF0
CHAPTER 14 A/D CONVERTER
User’s Manual U18953EJ5V0UD
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