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PIC16F1938 Datasheet, PDF (404/452 Pages) Microchip Technology – 28/40/44-Pin Flash-Based, 8-Bit CMOS Microcontrollers | |||
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PIC16(L)F1938/9
TABLE 30-12: USART SYNCHRONOUS TRANSMISSION REQUIREMENTS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature
-40°C ï£ï TA ï£ï +125°C
Param.
No.
Symbol
Characteristic
US120 TCKH2DTV SYNC XMIT (Master and Slave)
Clock high to data-out valid
US121 TCKRF
Clock out rise time and fall time
(Master mode)
US122 TDTRF
Data-out rise time and fall time
Min. Max.
3.0-5.5V
â
80
1.8-5.5V
â
100
3.0-5.5V
â
45
1.8-5.5V
â
50
3.0-5.5V
â
45
1.8-5.5V
â
50
Units Conditions
ns
ns
ns
ns
ns
ns
FIGURE 30-15: USART SYNCHRONOUS RECEIVE (MASTER/SLAVE) TIMING
CK
US125
DT
Note: Refer to Figure 30-5 for load conditions.
US126
TABLE 30-13: USART SYNCHRONOUS RECEIVE REQUIREMENTS
Standard Operating Conditions (unless otherwise stated)
Operating Temperature -40°C ï£ï TA ï£ï +125°C
Param.
No.
Symbol
Characteristic
US125 TDTV2CKL SYNC RCV (Master and Slave)
Data-hold before CK ï¯ (DT hold time)
US126 TCKL2DTL Data-hold after CK ï¯ (DT hold time)
Min. Max.
10
â
15
â
Units
ns
ns
Conditions
DS41574A-page 404
Preliminary
ï£ 2011 Microchip Technology Inc.
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