參數(shù)資料
型號(hào): SC16C2552BIA44,529
廠商: NXP Semiconductors
文件頁數(shù): 7/37頁
文件大小: 0K
描述: IC UART DUAL W/FIFO 44-PLCC
產(chǎn)品培訓(xùn)模塊: Stand-Alone UARTs
標(biāo)準(zhǔn)包裝: 26
特點(diǎn): 2 通道
通道數(shù): 2,DUART
FIFO's: 16 字節(jié)
電源電壓: 2.5V,3.3V,5V
帶IrDA 編碼器/解碼器:
帶故障啟動(dòng)位檢測(cè)功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 44-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 44-PLCC
包裝: 管件
產(chǎn)品目錄頁面: 828 (CN2011-ZH PDF)
其它名稱: 568-3646-5
935274408529
SC16C2552BIA44-S
SC16C2552B_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 12 February 2009
15 of 38
NXP Semiconductors
SC16C2552B
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs
3
(continued)
Transmit operation in mode ‘1’: When the SC16C2552B is in FIFO
mode (FCR[0] = logic 1; FCR[3] = logic 1), the TXRDYn pin will be a
logic 1 when the transmit FIFO is completely full. It will be a logic 0 if
one or more FIFO locations are empty.
Receive operation in mode ‘1’: When the SC16C2552B is in FIFO
mode (FCR[0] = logic 1; FCR[3] = logic 1) and the trigger level has been
reached, or a Receive Time-out has occurred, the RXRDY signal at the
MFn pin will go to a logic 0. Once activated, it will go to a logic 1 after
there are no more characters in the FIFO. Note that the AFR register
must be set to the RXRDY mode prior to any possible reading of the
RXRDY signal.
2
FCR[2]
XMIT FIFO reset.
logic 0 = no FIFO transmit reset (normal default condition)
logic 1 = clears the contents of the transmit FIFO and resets the FIFO
counter logic (the Transmit Shift Register is not cleared or altered).
This bit will return to a logic 0 after clearing the FIFO.
1
FCR[1]
RCVR FIFO reset.
logic 0 = no FIFO receive reset (normal default condition)
logic 1 = clears the contents of the receive FIFO and resets the FIFO
counter logic (the Receive Shift Register is not cleared or altered).
This bit will return to a logic 0 after clearing the FIFO.
0
FCR[0]
FIFOs enabled.
logic 0 = disable the transmit and receive FIFO (normal default
condition)
logic 1 = enable the transmit and receive FIFO. This bit must be a ‘1’
when other FCR bits are written to or they will not be
programmed.
Table 9.
RCVR trigger levels
FCR[7]
FCR[6]
RX FIFO trigger level
0001
0104
1008
1114
Table 8.
FIFO Control Register bits description …continued
Bit
Symbol
Description
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