XE8000EV108 Semtech, XE8000EV108 Datasheet - Page 109

• Manufacturer Part Number: XE8000EV108
• Description: EVAL BOARD FOR XE8806/XE8807
• Manufacturer: Semtech
• Type: MCUr

Specifications of XE8000EV108

• Contents: Fully Assembled Evaluation Board
• For Use With/related Products: XE88LC06AMI026
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

15.1 Features
•
• Internal baudrate generator with 10 programmable baudrates (300 - 153600).
• 7 or 8 bits word length.
• Even, odd, or no-parity bit generation and detection
• 1 stop bit
• Error receive detection: Start, Parity, Frame and Overrun
• Receiver echo mode
• 2 interrupts (receive full and transmit empty)
• Enable receive and/or transmit
• Invert pad Rx and/or Tx
15.2 Overview
The UART pins are PB[7], which is used as Rx - receive and PB[6] as Tx - transmit.
15.3 Registers map
© Semtech 2006
Full duplex operation with buffered receiver and transmitter.
pos.
pos.
5-3
2-0
7
6
2
1
0
7
6
5
4
3
UartRcSel(2:0)
RegUartCmd
RegUartCtrl
UartBR(2:0)
UartEnRx
UartEcho
UartEnTx
UartXRx
UartXTx
UartPM
UartWL
UartPE
SelXtal
-
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
rw
rw
r
Table 15-1: Uart register default addresses
000 nresetglobal
101 nresetglobal
0 nresetglobal
0 nresetglobal
0 nresetglobal
1 nresetglobal
0 nresetglobal
0 nresetglobal
0 nresetglobal
0 nresetglobal
0 nresetglobal
RegUartCtrl
RegUartCmd
RegUartTx
RegUartTxSta
RegUartRx
RegUartRxSta
reset
reset
Table 15-2: RegUartCmd
Table 15-3: RegUartCtrl
0
register name
15-2
Select input clock: 0 = RC/external, 1 = xtal
Enable parity: 1 = with parity, 0 = no parity
Select word length: 1 = 8 bits, 0 = 7 bits
Select parity mode: 1 = odd, 0 = even
1 = echo Rx->Tx, 0 = no echo
Enable uart transmission
RC prescaler selection
Enable uart reception
Enable echo mode:
Select baud rate
Invert pad Rx
Invert pad Tx
description
description
Unused
XE8806A/XE8807A
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