Getac Technology Corporation V110GD Manuale Utente
© 2011 Microchip Technology Inc.
Preliminary
DS61168C-page 279
PIC32MX1XX/2XX
FIGURE 29-19:
ANALOG-TO-DIGITAL CONVERSION (10-BIT MODE) TIMING CHARACTERISTICS
(CHPS<1:0> = 01, ASAM = 1, SSRC<2:0> = 111, SAMC<4:0> = 00001)
(CHPS<1:0> = 01, ASAM = 1, SSRC<2:0> = 111, SAMC<4:0> = 00001)
FIGURE 29-20:
PARALLEL SLAVE PORT TIMING
AD55
T
SAMP
Set ADON
ADCLK
Instruction
SAMP
ch0_dischrg
CONV
ADxIF
Buffer(0)
Buffer(1)
1
2
3
4
5
6
4
5
6
8
1 – Software sets ADxCON. ADON to start AD operation.
2 – Sampling starts after discharge period.
3 – Convert bit 9.
4 – Convert bit 8.
5 – Convert bit 0.
AD50
ch0_samp
eoc
7
3
AD55
6 – One T
AD
for end of conversion.
7 – Begin conversion of next channel.
8 – Sample for time specified by SAMC<4:0>.
T
SAMP
T
CONV
3
4
Execution
T
SAMP
is described in Section 17. “10-bit Analog-to-Digital
Converter (ADC)”
(DS61104).
CS
RD
WR
PMD<7:0>
PS1
PS2
PS3
PS4
PS5
PS6
PS7