PIC16F62X
FIGURE 12-3: RX PIN SAMPLING SCHEME, BRGH = 1
RX pin
Start Bit
bit0
Baud CLK for all but start bit
Baud CLK
First falling edge after RX pin goes low
Second rising edge
x4 CLK
1
2
3
4
Q2, Q4 CLK
Samples
FIGURE 12-4: RX PIN SAMPLING SCHEME, BRGH = 0 OR BRGH = 1
Start bit
Bit0
RX
(RB1/RX/DT pin)
Baud CLK for all but start bit
Baud CLK
x16 CLK
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
1
2
3
Samples
1999 Microchip Technology Inc.
Preliminary
DS40300B-page 77