參數(shù)資料
型號(hào)： SC16C654DIB64
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 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(yè)數(shù)： 17/52頁(yè)
文件大?。?/td> 647K
代理商： SC16C654DIB64
Philips Semiconductors
SC16C654/654D
Quad UART with 64-byte FIFO and infrared (IrDA) encoder/decoder
Product data
Rev. 04 — 19 June 2003
17 of 52
9397 750 11617
Koninklijke Philips Electronics N.V. 2003. All rights reserved.
same system design. After a hardware reset and during initialization, the
SC16C654/654D sets the default baud rate table according to the state of the
CLKSEL pin. A logic 1 on CLKSEL will set the 1
×
clock default, whereas logic 0 will
set the 4
×
clock default table. Following the default clock rate selection during
initialization, the rate tables can be changed by the internal register MCR[7]. Setting
MCR[7] to a logic 1 when CLKSEL is a logic 1 provides an additional divide-by-4,
whereas setting MCR[7] to a logic 0 only divides by 1. (See
Table 7
and
Figure 7
.)
Customized Baud Rates can be achieved by selecting the proper divisor values for
the MSB and LSB sections of baud rate generator.
Programming the Baud Rate Generator Registers DLM (MSB) and DLL (LSB)
provides a user capability for selecting the desired final baud rate. The example in
Table 7
shows the two selectable baud rate tables available when using a
7.3728 MHz crystal.
Table 7:
Output baud rate
Baud rate generator programming table using a 7.3728 MHz clock
User
16
×
clock divisor
MCR[7] = 1
MCR[7] = 0
Decimal
50
200
2304
300
1200
384
600
2400
192
1200
4800
96
2400
9600
48
4800
19.2 k
24
9600
38.4 k
12
19.2 k
76.8 k
6
38.4 k
153.6 k
3
57.6 k
230.4 k
2
115.2 k
460.8 k
1
DLM
program value
(HEX)
DLL
program value
(HEX)
HEX
900
180
C0
60
30
18
0C
06
03
02
01
09
01
00
00
00
00
00
00
00
00
00
00
80
C0
60
30
18
0C
06
03
02
01
Fig 7.
Baud rate generator circuitry.
BAUD RATE
GENERATOR
LOGIC
BAUDOUT
MCR[7] = 1
MCR[7] = 0
DIVIDE-BY-1
LOGIC
DIVIDE-BY-4
LOGIC
CLOCK
OSCILLATOR
LOGIC
002aaa208
XTAL1
XTAL2
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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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