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参数资料
| 型号： | ST16C1551 |
| 厂商： | Exar Corporation |
| 英文描述： | UART with 16-Byte FIFO(通用异步接收器/发送器（带16字节的先进先出）) |
| 中文描述： | 的UART具有16字节FIFO（通用异步接收器/发送器（带16字节的先进先出）） |
| 文件页数： | 14/32页 |
| 文件大小： | 418K |
| 代理商： | ST16C1551 |
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ST16C1550/51
14
Rev. 3.10
REGISTER FUNCTIONAL DESCRIPTIONS
The following table delineates the assigned bit functions for the twelve 155X internal registers. The assigned bit
functions are more fully defined in the following paragraphs.
Table 5, ST16C155X INTERNAL REGISTERS
A2 A1 A0
Register
[Default]
Note 3*
BIT-7
BIT-6
BIT-5
BIT-4
BIT-3
BIT-2
BIT-1
BIT-0
General Register Set: Note 1*
0
0
0
RHR [XX]
bit-7
bit-6
bit-5
bit-4
bit-3
bit-2
bit-1
bit-0
0
0
0
THR [XX]
bit-7
bit-6
bit-5
bit-4
bit-3
bit-2
bit-1
bit-0
0
0
1
IER [00]
0
0
Special
Mode
Enable
0
Modem
Status
Interrupt
Receive
Line
Status
interrupt
Transmit
Holding
Register
interrupt
Receive
Holding
Register
interrupt
0
1
0
FCR [00]
RX
trigger
(MSB)
RX
trigger
(LSB)
TX
TX
DMA
mode
select
XMIT
FIFO
reset
RCVR
FIFO
reset
FIFO
enable
trigger
(MSB)
Trigger
(LSB)
0
1
0
ISR [01]
INT
priority
bit-2
INT
priority
bit-1
INT
priority
bit-0
INT
status
FIFOs
enabled
FIFOs
enabled
RXRDY
TXRDY
0
1
1
LCR [00]
divisor
latch
enable
set
break
set
parity
even
parity
parity
enable
stop
bits
word
length
bit-1
word
length
bit-0
1
0
0
MCR [00]
Power
Down
0
0
loop
back
INT
enable
SOFT
Reset
-RTS
-DTR
1
0
1
LSR [60]
FIFO
data
error
THR &
TSR
empty
THR.
empty
break
interrupt
framing
error
parity
error
overrun
error
receive
data
ready
1
1
0
MSR [X0]
CD
RI
DSR
CTS
delta
-CD
delta
-RI
delta
-DSR
delta
-CTS
1
1
1
SPR [FF]
bit-7
bit-6
bit-5
bit-4
bit-3
bit-2
bit-1
bit-0
Special Register Set: Note *2
0
0
0
DLL [XX]
bit-7
bit-6
bit-5
bit-4
bit-3
bit-2
bit-1
bit-0
0
0
1
DLM [XX]
bit-15
bit-14
bit-13
bit-12
bit-11
bit-10
bit-9
bit-8
Note 1* The General Register set is accessible only when CS is a logic 0.
Note 2* The Baud Rate register set is accessible only when CS is a logic 0 and LCR bit-7 is a logic 1.
Note 3*
The value between the square brackets represents the registers initialized HEX value, X = N/A.
相关PDF资料 |
PDF描述 |
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| ST16C2550CQ48 | DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S |
| ST16C2550IJ44 | DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S |
| ST16C2550IP40 | DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S |
| ST16C2550CJ44 | DUAL UART WITH 16-BYTE TRANSMIT AND RECEIVE FIFO’S |
| ST16C2550CP40 | Power Supply IC; Supply Voltage Max:6V; Output Voltage:1.3V; Package/Case:20-TSSOP; Leaded Process Compatible:No; Output Voltage Max:1.3V; Peak Reflow Compatible (260 C):No; Supply Voltage Min:2.7V; Mounting Type:Surface Mount |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ST16C1551CJ28 | 制造商:EXAR 制造商全称:EXAR 功能描述:2.97V TO 5.5V UART WITH 16-BYTE FIFO |
| ST16C1551CJ28-F | 功能描述:UART 接口集成电路 UART W/16BYTE FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| ST16C1551CP28 | 制造商:EXAR 制造商全称:EXAR 功能描述:2.97V TO 5.5V UART WITH 16-BYTE FIFO |
| ST16C1551CQ48 | 制造商:EXAR 制造商全称:EXAR 功能描述:2.97V TO 5.5V UART WITH 16-BYTE FIFO |
| ST16C1551CQ48-F | 功能描述:UART 接口集成电路 UART W/16BYTE FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
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