PIC16F688 Datasheet, PDF (153/174 Pages) Microchip Technology – 14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F688
FIGURE 14-8:
USART SYNCHRONOUS TRANSMISSION (MASTER/SLAVE) TIMING
RC4/C2OUT/TX/CK
pin
RC5/RX/DT
pin
121
121
120
122
Note: Refer to Figure 14-2 for load conditions.
TABLE 14-6: USART SYNCHRONOUS TRANSMISSION REQUIREMENTS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature-40°C ≤ TA ≤ +125°C
Param.
No.
Symbol
Characteristic
Min
Max
120 TckH2dtV SYNC XMIT (Master & Slave)
Clock high to data-out valid
PIC16F688
—
40
PIC16LF688 —
100
121 Tckrf
Clock out rise time and fall time
PIC16F688
—
20
(Master mode)
PIC16LF688 —
50
122 Tdtrf
Data-out rise time and fall time
PIC16F688
—
20
PIC16LF688 —
50
Units Conditions
ns
ns
ns
ns
ns
ns
FIGURE 14-9:
USART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
RC4/C2OUT/TX/CK
pin
RC5/RX/DT
pin
125
126
Note: Refer to Figure 14-2 for load conditions.
TABLE 14-7: USART SYNCHRONOUS RECEIVE REQUIREMENTS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature-40°C ≤ TA ≤ +125°C
Param.
No.
Symbol
Characteristic
Min Max
125 TdtV2ckl SYNC RCV (Master & Slave)
Data-hold before CK ↓ (DT hold time)
126 TckL2dtl Data-hold after CK ↓ (DT hold time)
10
—
15
—
Units
ns
ns
Conditions
 2004 Microchip Technology Inc.
Preliminary
DS41203B-page 151