PIC16F631/677/685/687/689/690
FIGURE 17-10:
EUSART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
RB7/TX/CK
pin
121
121
RB5/AN11/RX/DT
pin
120
Refer to Figure 17-3 for load conditions.
122
Note:
TABLE 17-10: EUSART SYNCHRONOUS TRANSMISSION REQUIREMENTS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature
-40°C ≤ TA ≤ +125°C
Param.
Symbol
No.
Characteristic
Min
Max
Units Conditions
120 TCKH2DTV SYNC XMIT (Master & Slave)
Clock high to data-out valid
—
40
ns
121 TCKRF
122 TDTRF
Clock out rise time and fall time (Master mode)
Data-out rise time and fall time
—
—
20
20
ns
ns
FIGURE 17-11:
EUSART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
RC4/C2OUT/TX/CK
pin
125
RC5/RX/DT
pin
126
Note: Refer to Figure 17-3 for load conditions.
TABLE 17-11: EUSART SYNCHRONOUS RECEIVE REQUIREMENTS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature -40°C ≤ TA ≤ +125°C
Param.
No.
Symbol
Characteristic
Min
Max
Units
Conditions
125
TDTV2CKL SYNC RCV (Master & Slave)
Data-hold before CK ↓ (DT hold time)
10
15
—
—
ns
ns
126
TCKL2DTL Data-hold after CK ↓ (DT hold time)
DS41262D-page 246
© 2007 Microchip Technology Inc.
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