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參數(shù)資料
| 型號(hào)： | ST16C550IJ44TR-F |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 9/35頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC UART FIFO 16B SGL 44PLCC |
| 標(biāo)準(zhǔn)包裝： | 500 |
| 特點(diǎn)： | * |
| 通道數(shù)： | 1，UART |
| FIFO's： | 16 字節(jié) |
| 電源電壓： | 2.97 V ~ 5.5 V |
| 帶故障啟動(dòng)位檢測(cè)功能： | 是 |
| 帶調(diào)制解調(diào)器控制功能： | 是 |
| 帶CMOS： | 是 |
| 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（16.59x16.59） |
| 包裝： | 帶卷 (TR) |
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ST16C550
17
Rev. 5.01
ISR BIT-0:
Logic 0 = An interrupt is pending and the ISR contents
may be used as a pointer to the appropriate interrupt
service routine.
Logic 1 = No interrupt pending. (normal default condi-
tion)
ISR BIT 1-3: (logic 0 or cleared is the default condition)
These bits indicate the source for a pending interrupt at
interrupt priority levels 1, 2, and 3 (See Interrupt Source
Table).
ISR BIT 4-5: Not used and set to “0”.
ISR BIT 6-7: (logic 0 or cleared is the default condition)
These bits are set to a logic 0 when the FIFO is not being
used. They are set to a logic 1 when the FIFO’s are
enabled
Line Control Register (LCR)
The Line Control Register is used to specify the
asynchronous data communication format. The word
length, the number of stop bits, and the parity are
selected by writing the appropriate bits in this register.
LCR BIT 0-1: (logic 0 or cleared is the default condi-
tion)
These two bits specify the word length to be transmit-
ted or received.
BIT-1
BIT-0
Word length
00
5
01
6
10
7
11
8
LCR BIT-2: (logic 0 or cleared is the default condition)
The length of stop bit is specified by this bit in
conjunction with the programmed word length.
BIT-2
Word length
Stop bit
length
(Bit time(s))
0
5,6,7,8
1
5
1-1/2
1
6,7,8
2
LCR BIT-3:
Parity or no parity can be selected via this bit.
Logic 0 = No parity (normal default condition)
Logic 1 = A parity bit is generated during the transmis-
sion, receiver checks the data and parity for transmis-
sion errors.
LCR BIT-4:
If the parity bit is enabled with LCR bit-3 set to a logic
1, LCR BIT-4 selects the even or odd parity format.
Logic 0 = ODD Parity is generated by forcing an odd
number of logic 1’s in the transmitted data. The
receiver must be programmed to check the same
format. (normal default condition)
Logic 1 = EVEN Parity is generated by forcing an even
the number of logic 1’s in the transmitted. The receiver
must be programmed to check the same format.
LCR BIT-5:
If the parity bit is enabled, LCR BIT-5 selects the
forced parity format.
LCR BIT-5 = logic 0, parity is not forced (normal
default condition)
LCR BIT-5 = logic 1 and LCR BIT-4 = logic 0, parity bit
is forced to a logical 1 for the transmit and receive
data.
LCR BIT-5 = logic 1 and LCR BIT-4 = logic 1, parity bit
is forced to a logical 0 for the transmit and receive
data.
LCR
Parity selection
Bit-5
Bit-4
Bit-3
X
0
No parity
0
1
Odd parity
0
1
Even parity
1
0
1
Force parity “1”
1
Forced “0”
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| ST16C550IP40 | 功能描述:UART 接口集成電路 SINGLE UART W/16 BYTE 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 |
| ST16C550IP40-F | 功能描述:UART 接口集成電路 SINGLE UART W/16 BYTE 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 |
| ST16C550IQ48 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| ST16C550IQ48-F | 功能描述:UART 接口集成電路 2.97V-5.5V 16B FIFO temp -45 to 85C;UART 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 |
| ST16C550IQ48TR-F | 功能描述:UART 接口集成電路 UART 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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