pic24hj16gp304 Microchip Technology Inc., pic24hj16gp304 Datasheet - Page 227

• Manufacturer Part Number: pic24hj16gp304
• Description: High-performance, 16-bit Microcontrollers
• Manufacturer: Microchip Technology Inc.

FIGURE 21-18:
FIGURE 21-19:
© 2007 Microchip Technology Inc.
Instruction
Execution
ADCLK
SAMP
AD1IF
DONE
1 – Software sets AD1CON. SAMP to start sampling.
2 – Sampling starts after discharge period. T
3 – Software clears AD1CON. SAMP to start conversion.
4 – Sampling ends, conversion sequence starts.
Instruction
Execution
Buffer(0)
Buffer(1)
1 – Software sets AD1CON. ADON to start AD operation.
2 – Sampling starts after discharge period. T
3 – Convert bit 9.
4 – Convert bit 8.
ADCLK
DONE
SAMP
AD1IF
Section 28. “10/12-bit ADC without DMA” in the
“PIC24H Family Reference Manual”.
“PIC24H Family Reference Manual”.
Section 28. “10/12-bit ADC without DMA” in the
Set ADON
PIC24HJ32GP202/204 and PIC24HJ16GP304
Set SAMP
AD50
AD61
AD50
1
ADC CONVERSION (10-BIT MODE) TIMING CHARACTERISTICS
(CHPS<1:0> = 01, SIMSAM = 0, ASAM = 0, SSRC<2:0> = 000)
ADC CONVERSION (10-BIT MODE) TIMING CHARACTERISTICS (CHPS<1:0> = 01,
SIMSAM = 0, ASAM = 1, SSRC<2:0> = 111, SAMC<4:0> = 00001)
1
2
Clear SAMP
2
T
AD60
SAMP
T
SAMP
3
4
3
SAMP
SAMP
5
4
is described in
Preliminary
AD55
6
is described in
AD55
5
6
7
7
8
5 – Convert bit 9.
6 – Convert bit 8.
7 – Convert bit 0.
8 – One T
3
5 – Convert bit 0.
6 – One T
7 – Begin conversion of next channel.
8 – Sample for time specified by SAMC<4:0>.
4
AD55
5
AD
AD
6
for end of conversion.
for end of conversion.
5
AD55
6
7
DS70289A-page 225
T
SAMP
8
8
AD55