Datasheet

PIC16(L)F720/721
DS40001430E-page 204  2010-2013 Microchip Technology Inc.
FIGURE 23-12: PIC16F720/721 A/D CONVERSION TIMING (SLEEP MODE)
FIGURE 23-13: USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
AD132
AD131
AD130
BSF ADCON0, GO
Q4
A/D CLK
A/D Data
ADRES
ADIF
GO
Sample
OLD_DATA
Sampling Stopped
DONE
NEW_DATA
7 5 3210
Note 1: If the A/D clock source is selected as RC, a time of T
CY is added before the A/D clock starts. This allows the
SLEEP instruction to be executed.
AD134
4
6
1 TCY
(TOSC/2 + TCY
(1)
)
1 TCY
Note: Refer to Figure 23-2 for load conditions.
US121
US121
US120
US122
CK
DT
TABLE 23-9: USART SYNCHRONOUS TRANSMISSION REQUIREMENTS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature -40°C T
A +125°C
Param.
No.
Symbol Characteristic Min. Max. Units Conditions
US120* TCKH2DTV SYNC XMIT (Master and Slave)
Clock high to data-out valid
3.0-5.5V — 80 ns
1.8-5.5V — 100 ns
US121* T
CKRF Clock out rise time and fall time
(Master mode)
3.0-5.5V — 45 ns
1.8-5.5V — 50 ns
US122* T
DTRF Data-out rise time and fall time 3.0-5.5V — 45 ns
1.8-5.5V — 50 ns
* These parameters are characterized but not tested.