PIC16LC74B-16 Datasheet, PDF (24/41 Pages) Microchip Technology – 8-Bit CMOS Microcontrollers with A/D Converter

PIC16LC74B-16/PTL16
FIGURE 2-16: USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
RC6/TX/CK
pin
RC7/RX/DT
pin
121
121
120
122
Note: Refer to Figure 2-2 for load conditions.
TABLE 2-14: USART SYNCHRONOUS TRANSMISSION REQUIREMENTS
Param Sym
No.
Characteristic
Min Typ† Max Units Conditions
120*
TckH2dtV SYNC XMIT (MASTER & SLAVE)
Clock high to data out valid
—
—
100
ns
121* Tckrf
Clock out rise time and fall time (Master Mode)
—
—
50
ns
122* Tdtrf
Data out rise time and fall time
—
—
50
ns
* These parameters are characterized but not tested.
† Data in “Typ” column is at 3V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
FIGURE 2-17: USART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
RC6/TX/CK
pin
RC7/RX/DT
pin
125
126
Note: Refer to Figure 2-2 for load conditions.
TABLE 2-15: USART SYNCHRONOUS RECEIVE REQUIREMENTS
Parameter
No.
Sym
Characteristic
Min
Typ† Max Units Conditions
125*
TdtV2ckL SYNC RCV (MASTER & SLAVE)
Data setup before CK ↓ (DT setup time)
15
—
—
ns
126*
TckL2dtl Data hold after CK ↓ (DT hold time)
15
—
—
ns
* These parameters are characterized but not tested.
† Data in “Typ” column is at 3V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
DS30026A-page 24
Preliminary
© 1999 Microchip Technology Inc.