T81L0006B TM Technology Inc., T81L0006B Datasheet - Page 18

• Manufacturer Part Number: T81L0006B
• Description: 8-bit A/d Type Mcu
• Manufacturer: TM Technology Inc.

tm
A/D converter conversion flow
TM Technology Inc. reserves the right
CHS[2:0]
AN[7:0]
to change products or specifications without notice.
ADCLK
D[7:0]
PCHA
ADS
EOC
RB
A/D Converter Timing Diagram
Microcontroller generate ADS signal
pulse to ADC.
1’ADCLK<ADS pulse<16’ADCLk
When set (ADS register )bit=1,
and then (EOC register) bit will
be turn low.
(Enable individually
channel)
(Chose ADC input channel)
CH
TE
Set CHS[2:0] register bit
ADC starts conversion
Set ENCH7~ENCH0
Set ADENB=1
0
1
5 ADCLK
2
3
4
5
10 ADCLK < TIME < 16 ADCLK
6
16 ADCLK
7
P. 18
Microcontroller read ADC
conversion data from D[7:0]
Microcontroller detect EOC signal.
rising edge.
EOC signal from high go low.
(ADC conversion complete)
8
(EOC register) bit turn ‘1’.
(ADS register) bit turn ‘0’.
(ADC operating)
9
10
END
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Publication Date: JAN. 2006
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T81L0006A/B
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1.5 ADCLK
15
Revsion : C
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