參數(shù)資料
型號(hào): XE8805AMI028LF
廠商: Semtech
文件頁數(shù): 130/156頁
文件大?。?/td> 0K
描述: IC DAS 16BIT FLASH 8K MTP 64LQFP
標(biāo)準(zhǔn)包裝: 160
系列: XE880x
應(yīng)用: 感測(cè)機(jī)
核心處理器: Coolrisc816?
程序存儲(chǔ)器類型: 閃存(22 kB)
控制器系列: XE8000
RAM 容量: 512 x 8
接口: UART,USRT
輸入/輸出數(shù): 24
電源電壓: 2.4 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
包裝: 托盤
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
產(chǎn)品目錄頁面: 585 (CN2011-ZH PDF)
配用: XE8000MP-ND - PROG BOARD AND PROSTART2 CARD
Semtech 2006
www.semtech.com
14-2
XE8805/05A
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
pos.
RegUartCmd
rw
Reset
Description
7
SelXtal
rw
0 resetsystem
Select input clock: 0 = RC, 1 = xtal
6
UartEnRx2
rw
0 resetsystem
Enable Uart Reception
5-3
UartRcSel(2:0)
rw
000 resetsystem
RC prescaler selection
2
UartPM
rw
0 resetsystem
Select parity mode: 0 = odd, 1 = even
1
UartPE
rw
0 resetsystem
Enable parity: 1 = with parity, 0 = no parity
0
UartWL
rw
1 resetsystem
Select word length: 1 = 8 bits, 0 = 7 bits
Table 14-1: RegUartCmd
Pos.
RegUartCtrl
rw
reset
Description
7
UartEcho
rw
0 resetsystem
Enable echo mode:
1 = echo Rx->Tx, 0 = no echo
6
UartEnRx1
rw
0 resetsystem
Enable uart reception
5
UartEnTx
rw
0 resetsystem
Enable uart transmission
4
UartXRx
rw
0 resetsystem
Invert pad Rx
3
UartXTx
rw
0 resetsystem
Invert pad Tx
2-0
UartBR(2:0)
rw
101 resetsystem
Select baud rate
Table 14-2: RegUartCtrl
pos.
RegUartTx
rw
reset
Description
7-0
UartTx
rw
00000000
resetsystem
Data to be sent
Table 14-3: RegUartTx
Not
Recommended
for
New
Designs
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