XE8801AMI000WP Semtech, XE8801AMI000WP Datasheet - Page 74

• Manufacturer Part Number: XE8801AMI000WP
• Description: SENSING MACHINE WITH 16 + 10 BIT
• Manufacturer: Semtech

Specifications of XE8801AMI000WP

• Applications: Sensing Machine
• Core Processor: RISC
• Program Memory Type: FLASH (22 kB)
• Controller Series: XE8000
• Ram Size: 512 x 8
• Interface: UART, USRT
• Number Of I /o: 24
• Voltage - Supply: 2.4 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: Die
• For Use With: XE8000MP - PROG BOARD AND PROSTART2 CARD
• Other names: Q2722595

14.1 Features
• Full duplex operation with buffered receiver and transmitter.
• Internal baud rate generator with 12 programmable baud rates (300 - 115200).
• 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
14.2 Overview
The UART pins are PB[7], which is used as Rx - receive and PB[6] as Tx - transmit.
14.3 Registers map
© Semtech 2005
pos.
Pos.
pos.
5-3
2-0
7-0
7
6
2
1
0
7
6
5
4
3
UartRcSel(2:0)
RegUartCmd
RegUartCtrl
UartBR(2:0)
RegUartTx
UartEnRx2
UartEnRx1
UartEcho
UartEnTx
UartXRx
UartXTx
UartPM
UartWL
UartPE
SelXtal
UartTx
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
000 resetsystem
101 resetsystem
0 resetsystem
0 resetsystem
0 resetsystem
0 resetsystem
1 resetsystem
0 resetsystem
0 resetsystem
0 resetsystem
0 resetsystem
0 resetsystem
resetsystem
Table 14-1: RegUartCmd
Table 14-2: RegUartCtrl
00000000
Table 14-3: RegUartTx
Reset
reset
reset
14-2
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: 0 = odd, 1 = even
1 = echo Rx->Tx, 0 = no echo
Enable uart transmission
Enable Uart Reception
RC prescaler selection
Enable uart reception
Enable echo mode:
Select baud rate
Data to be sent
Invert pad Rx
Invert pad Tx
Description
Description
Description
XE8801A – SX8801R
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