UPD78F9418A NEC, UPD78F9418A Datasheet - Page 140

• Manufacturer Part Number: UPD78F9418A
• Description: (UPD7894xxA) 8-Bit Single Chip Microcontrollers
• Manufacturer: NEC

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10.1 Function of 8-Bit A/D Converter
to seven analog input channels (ANI0 to ANI6).
an interrupt request (INTAD0) being issued each time an A/D conversion is completed.
10.2 Configuration of 8-Bit A/D Converter
The 8-bit A/D converter converts input analog voltages to digital signals with an 8-bit resolution. It can control up
A/D conversion can be started only by software.
One of analog inputs ANI0 to ANI6 is selected for A/D conversion. A/D conversion is performed repeatedly, with
The 8-bit A/D converter consists of the following hardware.
Analog inputs
Registers
Control registers
CHAPTER 10 8-BIT A/D CONVERTER ( µ µ µ µ PD789407A SUBSERIES)
Item
Table 10-1. Configuration of 8-Bit A/D Converter
7 channels (ANI0 to ANI6)
Successive approximation register (SAR)
A/D conversion result register 0 (ADCR0)
A/D converter mode register 0 (ADM0)
A/D input selection register 0 (ADS0)
User’s Manual U13952EJ3V0UD
Configuration