DSPIC30F4011_10 Datasheet, PDF (122/238 Pages) Microchip Technology – High-Performance, 16-Bit Digital Signal Controllers

dsPIC30F4011/4012
FIGURE 18-2:
UART RECEIVER BLOCK DIAGRAM
Internal Data Bus
16
Read
Write
Read Read
Write
UxMODE
UxSTA
URX8 UxRXREG Low Byte
Receive Buffer Control
– Generate Flags
– Generate Interrupt
– Shift Data Characters
LPBACK
From UxTX
1
UxRX
0
· Start bit Detect
· Parity Check
· Stop bit Detect
· Shift Clock Generation
· Wake Logic
8-9
Load RSR
to Buffer
Receive Shift Register
(UxRSR)
÷ 16 Divider
Control
Signals
16x Baud Clock from
Baud Rate Generator
UxRXIF
DS70135G-page 122
© 2010 Microchip Technology Inc.