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| 型號(hào)： | SC16C654DIB64 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Quad UART with 64-byte FIFO and infrared (IrDA) encoder/decoder |
| 中文描述： | 4 CHANNEL(S), 5M bps, SERIAL COMM CONTROLLER, PQFP64 |
| 封裝： | 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64 |
| 文件頁數(shù)： | 10/52頁 |
| 文件大?。?/td> | 647K |
| 代理商： | SC16C654DIB64 |
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Philips Semiconductors
SC16C654/654D
Quad UART with 64-byte FIFO and infrared (IrDA) encoder/decoder
Product data
Rev. 04 — 19 June 2003
10 of 52
9397 750 11617
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
RTSA,RTSB,
RTSC, RTSD
14, 22,
48, 56
5, 13,
36, 44
O
Request to Send (Active-LOW).
These outputs are associated with individual
UART channels, A through D. A logic 0 on the RTS pin indicates the transmitter
has data ready and waiting to send. Writing a logic 1 in the modem control
register MCR[1] will set this pin to a logic 0, indicating data is available. After a
reset this pin will be set to a logic 1. This pin only affects the transmit and
receive operations when Auto RTS function is enabled via the Enhanced
Feature Register (EFR[6]) for hardware flow control operation.
Read/Write strobe.
This function is associated with the 68 mode only. This pin
provides the combined functions for Read or Write strobes.
Logic 1 = Read from UART register selected by CS and A0-A4.
Logic 0 = Write to UART register selected by CS and A0-A4.
Receive data input RXA-RXD.
These inputs are associated with individual
serial channel data to the SC16C654/654D. The RX signal will be a logic 1
during reset, idle (no data), or when the transmitter is disabled. During the local
loop-back mode, the RX input pin is disabled and TX data is connected to the
UART RX input internally.
Receive Ready (Active-LOW).
This function is associated with 68-pin package
only. RXRDY contains the wire-ORed status of all four receive channel FIFOs,
RXRDYA-RXRDYD. A logic 0 indicates receive data ready status, i.e., the RHR
is full, or the FIFO has one or more RX characters available for unloading. This
pin goes to a logic 1 when the FIFO/RHR is empty, or when there are no more
characters available in either the FIFO or RHR. Individual channel RX status is
read by examining individual internal registers via CS and A0-A4 pin functions.
Transmit data A, B, C, D.
These outputs are associated with individual serial
transmit channel data from the SC16C654/654D. The TX signal will be a logic 1
during reset, idle (no data), or when the transmitter is disabled. During the local
loop-back mode, the TX output pin is disabled and TX data is internally
connected to the UART RX input.
Transmit Ready (Active-LOW).
This function is associated with the 68-pin
package only. TXRDY contains the wire-ORed status of all four transmit
channel FIFOs, TXRDYA-TXRDYD. A logic 0 indicates a buffer ready status,
i.e., at least one location is empty and available in one of the TX channels
(A-D). This pin goes to a logic 1 when all four channels have no more empty
locations in the TX FIFO or THR. Individual channel TX status can be read by
examining individual internal registers via CS and A0-A4 pin functions.
Power supply inputs.
R/W
18
-
I
RXA, RXB,
RXC, RXD
7, 29,
41, 63
62, 20,
29, 51
I
RXRDY
38
-
O
TXA, TXB,
TXC, TXD
17, 19,
51, 53
8, 10,
39, 41
O
TXRDY
39
-
O
V
CC
13, 47,
64
35
4, 21,
35, 52
25
I
XTAL1
I
Crystal or external clock input.
Functions as a crystal input or as an external
clock input. A crystal can be connected between this pin and XTAL2 to form an
internal oscillator circuit (see
Figure 6
). Alternatively, an external clock can be
connected to this pin to provide custom data rates. (See
Section 6.11
“Programmable baud rate generator”
.)
Output of the crystal oscillator or buffered clock.
(See also XTAL1.) Crystal
oscillator output or buffered clock output.
XTAL2
36
26
O
Table 2:
Pin description
…continued
Pin
PLCC68 LQFP64
Symbol
Type
Description
相關(guān)PDF資料 |
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|---|---|
| SC16C654IA68 | Quad UART with 64-byte FIFO and infrared (IrDA) encoder/decoder |
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| SC16C750IA44 | Universal Asynchronous Receiver/Transmitter (UART) with 64-byte FIFO |
| SC16C750IB64 | Universal Asynchronous Receiver/Transmitter (UART) with 64-byte FIFO |
| SC16C752 | Dual UART with 64-byte FIFO |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC16C654DIB64,128 | 功能描述:UART 接口集成電路 16C 2.5V-5V 4CH UART 64B FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SC16C654DIB64,151 | 功能描述:UART 接口集成電路 16C 2.5V-5V 4CH UART 64B FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SC16C654DIB64,157 | 功能描述:UART 接口集成電路 16C 2.5V-5V 4CH UART 64B FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| SC16C654IA68 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quad UART with 64-byte FIFO and infrared (IrDA) encoder/decoder |
| SC16C654IA68,512 | 功能描述:UART 接口集成電路 16C 2.5V-5V 4CH UART 64B FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
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