UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 426
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UPD784026
Manufacturer Part Number
UPD784026
Description
16/8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD784026.pdf
(759 pages)
- Current page: 426 of 759
- Download datasheet (3Mb)
(2) Scan mode 1 (bit 5 (SCMD) of A/D converter mode register (ADM) = 1)
386
When bit 5 of the ADM is set (1), the analog input pins specified by bits 1 to 3 (ANIS0 to ANIS2) are selected, and
subjected to conversion, in order. If an A/D conversion result register (ADCR) read is not performed by the CPU by
the end of the next A/D conversion after A/D conversion end (INTAD) generation, conversion is restarted without
performing INTAD generation, ADCR updating or channel updating (see Figure 14-8).
If an ADCR read is performed by the CPU before the end of the next A/D conversion, the same operation as in scan
mode 0 is performed.
A/D Conversion
ADCR Read
INTAD
ADCR
ANI0
Figure 14-8 Scan Mode 1 Operation Timing
CHAPTER 14 A/D CONVERTER
ANI1
ANI0
ANI2
ANI1
Channel Updating Disabled
ADCR Updating Disabled
Interrupt Generation Disabled
ANI2
ANI3
ANI2
ANI0
ANI3
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