TMP93CS32F datasheet(135/180 Pages) TOSHIBA

135 / 180 page

TMP93CS32

2004-02-10

93CS32-133

3.10 Analog/Digital Converter

TMP93CS32 incorporate a high-speed, high-precision 10-bit analog/digital converter (AD

converter) with 6-channel analog input.

Figure 3.10.1 is a block diagram of the AD converter. The 6-channel analog input pins (AN0

to AN5) are also used as input-only port P5 and can be also used as input ports.

Figure 3.10.1 Block Diagram of AD Converter

Note 1: When the power supply current is reduced in IDLE2, IDLE1, STOP mode, there is possible to set a

standby enabling the internal comparator due to a timing. Stop operation of AD converter before

execution of “HALT” instruction.

Note 2: In regard to the lowest operation frequency.

The operation of AD converter is guaranteed with clock of fFPH ≥ 4 MHz.

Internal data bus

ADMOD0

ADMOD1

<ADCH2:0>

AD converter

control circuit

scan

repeat

interrupt

busy

end

start

ADTRG

AD conversion result

ADREG04L to 3L

ADREG04H to 3H

DA converter

Sample

hold

Channel select

AN5 (P55)

AN4 (P54)

AN3/ ADTRG (P53)

AN2 (P52)

AN1 (P51)

AN0 (P50)

VREFH

VREFL

INTAD

Interrupt

Analog Input

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