Datasheet

 2005 Microchip Technology Inc. DS30487C-page 189
PIC16F87/88
FIGURE 18-16: AUSART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
TABLE 18-11: AUSART SYNCHRONOUS TRANSMISSION REQUIREMENTS
FIGURE 18-17: AUSART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
TABLE 18-12: AUSART SYNCHRONOUS RECEIVE REQUIREMENTS
Param
No.
Sym Characteristic Min Typ† Max Units Conditions
120 TckH2dtV SYNC XMIT (MASTER &
SLAVE)
Clock High to Data Out Valid
PIC16F87/88
— — 80 ns
PIC16LF87/88 — — 100 ns
121 Tckrf Clock Out Rise Time and Fall
Time (Master mode)
PIC16F87/88 — — 45 ns
PIC16LF87/88 — — 50 ns
122 Tdtrf Data Out Rise Time and Fall
Time
PIC16F87/88 — — 45 ns
PIC16LF87/88 — — 50 ns
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
tested.
Param
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
† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
Note: Refer to Figure 18-3 for load conditions.
121
121
122
RB5/SS/TX/CK
RB2/SDO/RX/DT
pin
pin
120
Note: Refer to Figure 18-3 for load conditions.
125
126
RB5/SS
/TX/CK
RB2/SDO/RX/DT
pin
pin