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參數(shù)資料
| 型號： | ST16C454IJ68 |
| 廠商： | STARTECH SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | QUAD UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART) |
| 中文描述： | 4 CHANNEL(S), 448K bps, SERIAL COMM CONTROLLER, PQCC68 |
| 文件頁數(shù)： | 10/30頁 |
| 文件大小： | 378K |
| 代理商： | ST16C454IJ68 |
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ST16C454/68C454
10
Rev. 3.20
Internal Registers
The 454 provides 12 internal registers for monitoring
and control. These resisters are shown in Table 4
below. These registers are similar to those already
available in the standard 16C450. These registers
function as data holding registers (THR/RHR), inter-
Table 4, INTERNAL REGISTER DECODE
A2
A1
A0
READ MODE
WRITE MODE
General Register Set (THR/RHR, IER/ISR, MCR/MSR, LCR/LSR, SPR):
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Receive Holding Register
Transmit Holding Register
Interrupt Enable Register
Interrupt Status Register
Line Control Register
Modem Control Register
Line Status Register
Modem Status Register
Scratchpad Register
Scratchpad Register
Baud Rate Register Set (DLL/DLM): Note *2
0
0
0
0
0
1
LSB of Divisor Latch
MSB of Divisor Latch
LSB of Divisor Latch
MSB of Divisor Latch
Note *2: These registers are accessible only when LCR bit-7 is set to a logic 1.
rupt status and control registers (IER/ISR), line status
and control registers (LCR/LSR), modem status and
control registers (MCR/MSR), programmable data
rate (clock) control registers (DLL/DLM), and a user
assessable scratchpad register (SPR). Register func-
tions are more fully described in the following para-
graphs.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ST68C454 | QUAD UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART) |
| ST16C550CQ48 | UART WITH 16-BYTE FIFO’s |
| ST16C550IJ44 | UART WITH 16-BYTE FIFO’s |
| ST16C550IQ48 | UART WITH 16-BYTE FIFO’s |
| ST16C550CJ44 | Voltage Regulator IC; Package/Case:8-TSSOP; Output Current:350mA; Output Voltage:1.5V; Supply Voltage Max:6V; Current Rating:350mA; Leaded Process Compatible:No; Output Current Max:350mA; Output Voltage Max:1.5V RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST16C454IJ68-F | 功能描述:UART 接口集成電路 QUAD 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 |
| ST16C454IJ68TR-F | 功能描述:UART 接口集成電路 QUAD 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 |
| ST16C550 | 制造商:EXAR 制造商全稱:EXAR 功能描述:UART WITH 16-BYTE FIFO’s |
| ST16C550_05 | 制造商:EXAR 制造商全稱:EXAR 功能描述:UART WITH 16-BYTE FIFO’s |
| ST16C550CJ44 | 制造商:Exar 功能描述:Bulk |
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