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參數(shù)資料
| 型號(hào)： | ST16C650A |
| 廠商： | Exar Corporation |
| 英文描述： | 2.90V TO 5.5V UART WITH 32-BYTE FIFO |
| 中文描述： | 2.90V至5.5V UART的32字節(jié)FIFO |
| 文件頁數(shù)： | 23/53頁 |
| 文件大?。?/td> | 666K |
| 代理商： | ST16C650A |
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á
REV. 5.0.0
ST16C650A
2.90V TO 5.5V UART WITH 32-BYTE FIFO
23
3.0
UART CONFIGURATION REGISTERS
The 650A has a set of configuration registers selected by address lines A0 to A2. The based page registers are
16C550 compatible with EXAR enhanced feature registers located on the second page (mirror) addresses.
The second page registers are only accessible by setting LCR register to a value of 0xBF. The register set is
shown on
Table 7
and
Table 8
.
.
T
ABLE
7: ST16C650A UART CONFIGURATION REGISTERS
A
DDRESS
R
EGISTER
R
EAD
/W
RITE
C
OMMENTS
A2 A1 A0
16550 C
OMPATIBLE
R
EGISTERS
0 0 0
RHR - Receive Holding Register
THR - Transmit Holding Register
Read-only
Write-only
LCR[7] = 0
0 0 0
DLL - Divisor Latch Low
Read/Write
LCR[7] = 1, LCR
≠
0xBF
0 0 1
DLM - Divisor Latch High
Read/Write
LCR[7] = 1, LCR
≠
0xBF
0 0 0
DREV - Device Revision Code
Read-only
LCR[7] = 1, LCR
≠
0xBF,
DLL, DLM = 0x00
0 0 1
DVID - Device Identification Code
Read-only
LCR[7] = 1, LCR
≠
0xBF,
DLL, DLM = 0x00
0 0 1
IER - Interrupt Enable Register
Read/Write
LCR[7] = 0
0 1 0
ISR - Interrupt Status Register
FCR - FIFO Control Register
Read-only
Write-only
LCR[7] = 0
0 1 1
LCR - Line Control Register
Read/Write
1 0 0
MCR - Modem Control Register
Read/Write
LCR[7] = 0
1 0 1
LSR - Line Status Register
Read-only
LCR[7] = 0
XFR - Extra Feature Register
Write-only
LCR[7] = 0, EFR[4] = 1
1 1 0
MSR - Modem Status Register
Read-only
LCR[7] = 0
IRPW - Infrared Pulse Width Register
Write-only
LCR[7] = 0, EFR[4] = 1
1 1 1
SPR - Scratch Pad Register
Read/Write
LCR[7] = 0
E
NHANCED
R
EGISTERS
0 1 0
EFR - Enhanced Function Register
Read/Write
LCR = 0xBF
1 0 0
Xon-1 - Xon Character 1
Read/Write
LCR = 0xBF
1 0 1
Xon-2 - Xon Character 2
Read/Write
LCR = 0xBF
1 1 0
Xoff-1 - Xoff Character 1
Read/Write
LCR = 0xBF
1 1 1
Xoff-2 - Xoff Character 2
Read/Write
LCR = 0xBF
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST16C650A_0508 | 制造商:EXAR 制造商全稱:EXAR 功能描述:2.90V TO 5.5V UART WITH 32-BYTE FIFO |
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| ST16C650ACJ44 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| ST16C650ACJ44-F | 功能描述:UART 接口集成電路 UART W/32BYTE 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 |
| ST16C650ACJ44TR-F | 功能描述:UART 接口集成電路 UART W/32BYTE 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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