UPD78F0555MA-FAA-AX Renesas Electronics America, UPD78F0555MA-FAA-AX Datasheet - Page 440

• 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
12.4.3 A/D converter operation mode
register (ADS) and A/D conversion is executed.
(1) A/D conversion operation
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
A/D conversion
One channel of analog input is selected from ANI0 to ANI10 and PGA output by the analog input channel specification
Remark A/D converter analog input pins differ depending on products.
By setting bit 7 (ADCS) of the A/D converter mode register 0 (ADM0) to 1, the A/D conversion operation of the
voltage, which is applied to the analog input pin specified by the analog input channel specification register (ADS), is
started.
When A/D conversion has been completed, the result of the A/D conversion is stored in the A/D conversion result
register (ADCR, ADCRH, ADCRL), and an interrupt request signal (INTAD) is generated. When one A/D conversion
has been completed, the next A/D conversion operation is immediately started.
If ADS is rewritten during A/D conversion, the A/D conversion operation under execution is stopped and restarted
from the beginning.
If 0 is written to ADCS during A/D conversion, A/D conversion is immediately stopped. At this time, the conversion
result immediately before is retained.
Remarks 1. n = 0 to 10 (it depends on products)
ADCRH
ADCRL,
ADCR,
INTAD
• 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):
2. m = 0 to 10 (it depends on products)
Rewriting ADM0
ADCS = 1
ANIn
Figure 12-15. A/D Conversion Operation
ANIn
ANIn
Conversion is stopped
Conversion result immediately
before is retained
Rewriting ADS
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
ANIn
ANIn
ANIm
CHAPTER 12 A/D CONVERTER
ANIm
ADCS = 0
ANIm
Stopped
Conversion result
immediately before
is retained
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