M-V850E-IA4 Renesas Electronics America, M-V850E-IA4 Datasheet - Page 514
M-V850E-IA4
Manufacturer Part Number
M-V850E-IA4
Description
KIT EVAL V850E IA4 UPD70F3186
Manufacturer
Renesas Electronics America
Specifications of M-V850E-IA4
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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(1) Trigger mode
There are two types of trigger modes that serve as the start timing of an A/D conversion operation: software
trigger mode and hardware trigger mode. There are three types of hardware trigger modes: external trigger
mode, timer trigger mode 0, and timer trigger mode 1.
These trigger modes are set by the ADAnM0 and ADAnM2 registers.
Remark
(a) Software trigger mode
Of the ANIn0 to ANIn3 pins (only ANI00 and ANI01 pins for A/D converter 0 of the V850E/IA3), the analog
input pin specified by the ADAnS.ADAnS2 to ADAnS.ADAnS0 bits is used for the A/D conversion start
timing when the ADAnM0.ADAnCE bit is set to 1 in this mode.
After end of A/D conversion, the conversion result is stored in A/Dn conversion result register m
(ADAnCRm). At the same time, an A/Dn conversion end interrupt request signal (INTADn) is generated.
If the operation mode set by the ADAnM0.ADAnMD1 and ADAnM0.ADAnMD0 bits is the continuous select
mode or continuous scan mode, the conversion operation is repeated unless the ADAnM0.ADAnCE bit is
cleared to 0. In the one-shot select mode or one-shot scan mode, the conversion operation is stopped
after A/D conversion ends.
When conversion is started, the ADAnM0.ADAnEF bit is set to 1 (conversion in progress).
If the ADAnM0, ADAnM2, and ADAnS registers are written during A/D conversion, the conversion is
stopped and executed again from the beginning.
Remark
n = 0, 1
n = 0, 1
m = 0 to 3
CHAPTER 12 A/D CONVERTERS 0 AND 1
User’s Manual U16543EJ4V0UD
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