UPD78F0555MA-FAA-AX Renesas Electronics America, UPD78F0555MA-FAA-AX Datasheet - Page 438

• Manufacturer Part Number: UPD78F0555MA-FAA-AX
• Description: MCU 8BIT 16-SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2-Lr

Specifications of UPD78F0555MA-FAA-AX

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: I²C, LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 9
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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78K0/Kx2-L
12.4.2 Input voltage and conversion results
A/D conversion result (stored in the 10-bit A/D conversion result register (ADCR)) is shown by the following expression.
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
The relationship between the analog input voltage input to the analog input pins (ANI0 to ANI10) and the theoretical
or
where, INT( ):
Remark A/D converter analog input pins differ depending on products.
ADCR = INT (
(ADCR − 0.5) ×
V
AV
ADCR: 10-bit A/D conversion result register (ADCR) value
AIN
REF
• 78K0/KY2-L:
• 78K0/KA2-L (20-pin products):
• 78K0/KA2-L (25-pin products):
• 78K0/KA2-L (32-pin products):
• 78K0/KB2-L:
• 78K0/KC2-L (40-pin product):
• 78K0/KC2-L (44-pin and 48-pin products):
:
:
Function which returns integer part of value in parentheses
Analog input voltage
AV
AV
V
AV
REF
1024
AIN
REF
REF
pin voltage
× 1024 + 0.5)
≤ V
AIN
< (ADCR + 0.5) ×
AV
1024
REF
ANI0 to ANI3
ANI0 to ANI5
ANI0 to ANI6
ANI0 to ANI10
ANI0 to ANI3, ANI8 to ANI10
ANI0 to ANI6, ANI8 to ANI10
ANI0 to ANI10
CHAPTER 12 A/D CONVERTER
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