參數(shù)資料
型號(hào): SC16C754BIA68,518
廠商: NXP Semiconductors
文件頁(yè)數(shù): 16/50頁(yè)
文件大?。?/td> 0K
描述: IC UART QUAD W/FIFO 68-PLCC
產(chǎn)品培訓(xùn)模塊: Stand-Alone UARTs
標(biāo)準(zhǔn)包裝: 1
通道數(shù): 4,QUART
FIFO's: 64 字節(jié)
電源電壓: 2.5V,3.3V,5V
帶自動(dòng)流量控制功能:
帶故障啟動(dòng)位檢測(cè)功能:
帶調(diào)制解調(diào)器控制功能:
安裝類(lèi)型: 表面貼裝
封裝/外殼: 68-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 68-PLCC
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 828 (CN2011-ZH PDF)
其它名稱(chēng): 568-2050-6
SC16C754B_4
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 6 October 2008
23 of 51
NXP Semiconductors
SC16C754B
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs
Remark: Refer to the notes under Table 9 for more register access information.
7.1 Receiver Holding Register (RHR)
The receiver section consists of the Receiver Holding Register (RHR) and the Receiver
Shift Register (RSR). The RHR is actually a 64-byte FIFO. The RSR receives serial data
from the RX terminal. The data is converted to parallel data and moved to the RHR. The
receiver section is controlled by the Line Control Register (LCR). If the FIFO is disabled,
location zero of the FIFO is used to store the characters.
Remark: In this case, characters are overwritten if overow occurs.
If overow occurs, characters are lost. The RHR also stores the error status bits
associated with each character.
7.2 Transmit Holding Register (THR)
The transmitter section consists of the Transmit Holding Register (THR) and the Transmit
Shift Register (TSR). The THR is actually a 64-byte FIFO. The THR receives data and
shifts it into the TSR, where it is converted to serial data and moved out on the TX
terminal. If the FIFO is disabled, the FIFO is still used to store the byte. Characters are
lost if overow occurs.
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