BMSKTOPASA900(DCE) Toshiba, BMSKTOPASA900(DCE) Datasheet - Page 819

• Manufacturer Part Number: BMSKTOPASA900(DCE)
• Description: KIT STARTER TMPA900 USB JTAG
• Manufacturer: Toshiba
• Series: TOPASr
• Type: MCUr

Specifications of BMSKTOPASA900(DCE)

• Contents: Evaluation Board, Cable(s), Software and Documentation
• For Use With/related Products: TMPA900CMXBG
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.24.2
3.24.2.1 Analog Reference Voltage
3.24.2.2 Selecting Analog Input Channels
Description of Operation
AN7 pins by setting (ADMOD0<SCAN> = 0) ADMOD1<ADCH[2:0]>.
eight scan modes by setting (ADMOD0<SCAN> = 1) ADMOD1 <ADCH[2:0]>.
0y000. Since these settings are used for channel selection, the channel fixed input with
the AN0 pin will be selected. Pins not used as analog input channels can be used as
normal ports.
level side to the VREFL pin. Writing 0 in the ADMOD1<DACON> can turn OFF the
switch for VREFH - VREFL. To start AD conversion, be sure to write 1 in the DACON,
and then wait for 3 μs, which is the time taken until the internal reference voltage is
stabilized, and then write 1 in the ADMOD0<ADS>.
converter.
(1) For normal AD conversion
(2) For top-priority AD conversion
When using an analog input channel in fix mode, select one channel from the AN0 to
When using an analog input channel in scan mode, select one scan mode from the
After reset, ADMOD0<SCAN> is initialized to 0 and ADMOD1<ADCH[2:0]> to
Apply the analog reference voltage's “H” level side to the VREFH pin and the “L”
Selecting an analog input channel depends on the operation mode of the AD
ADMOD2<HPADCH[2:0]>.
Select one channel from the analog input pins AN0 to AN7 by setting
TENTATIVE
TMPA900CM- 818
TMPA900CM
2009-10-14