參數(shù)資料
型號： W83627SF
英文描述： W83627F plus Smart Card Reader Interface. VID Control. GP I/O?
中文描述： W83627F加上智能卡閱讀器接口。 VID控制。大獎賽的I / O？
文件頁數(shù)： 54/147頁
文件大?。?/td> 1348K
代理商： W83627SF
W83627SF
PRELIMINARY
Publication Release Date: Nov. 2000
- 47 - Revision 0.60
4. UART PORT
4.1 Universal Asynchronous Receiver/Transmitter (UART A, UART B)
The UARTs are used to convert parallel data into serial format on the transmit side and convert serial
data to parallel format on the receiver side. The serial format, in order of transmission and reception, is a
start bit, followed by five to eight data bits, a parity bit (if programmed) and one, one and half (five-bit
format only) or two stop bits. The UARTs are capable of handling divisors of 1 to 65535 and producing a
16x clock for driving the internal transmitter logic. Provisions are also included to use this 16x clock to
drive the receiver logic. The UARTs also support the MIDI data rate. Furthermore, the UARTs also
include complete modem control capability and a processor interrupt system that may be software
trailed to the computing time required to handle the communication link. The UARTs have a FIFO mode
to reduce the number of interrupts presented to the CPU. In each UART, there are 16-byte FIFOs for
both receive and transmit mode.
4.2 Register Address
4.2.1 UART Control Register (UCR) (Read/Write)
The UART
Control Register controls and defines the protocol for asynchronous data communications,
including data length, stop bit, parity, and baud rate selection.
1
2
3
4
5
6
7
0
Data length select bit 0 (DLS0)
Data length select bit 1(DLS1)
Multiple stop bits enable (MSBE)
Parity bit enable (PBE)
Even parity enable (EPE)
Parity bit fixed enable (PBFE)
Set silence enable (SSE)
Baudrate divisor latch access bit (BDLAB)
Bit 7: BDLAB. When this bit is set to a logical 1, designers can access the divisor (in 16-bit binary
format) from the divisor latches of the baudrate generator during a read or write operation. When
this bit is reset, the Receiver Buffer Register, the Transmitter Buffer Register, or the Interrupt
Control Register can be accessed.
Bit 6: SSE. A logical 1 forces the Serial Output (SOUT) to a silent state (a logical 0). Only IRTX is
affected by this bit; the transmitter is not affected.
Bit 5: PBFE. When PBE and PBFE of UCR are both set to a logical 1,
(1) if EPE is logical 1, the parity bit is fixed as logical 0 to transmit and check.
(2) if EPE is logical 0, the parity bit is fixed as logical 1 to transmit and check.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W83627SF_05 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83627SF-AW 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83627SF-PW 制造商:WINBOND 制造商全稱:Winbond 功能描述:WINBOND I/O
W83627SG-AW 功能描述:IC LPC SUPER I/O 128-PQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:* 標(biāo)準(zhǔn)包裝:3,000 系列:- 應(yīng)用:PDA，便攜式音頻/視頻，智能電話 接口:I²C，2 線串口 電源電壓:1.65 V ~ 3.6 V 封裝/外殼:24-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:1015 (CN2011-ZH PDF) 其它名稱:296-25223-2
W83627THF 制造商:Nuvoton Technology Corp 功能描述:I/O Controller LPC Controller 128-Pin PQFP
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