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參數資料
| 型號： | AD28msp01KST⒂ |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | PSTN Signal Port |
| 中文描述： | PSTN的信號端口 |
| 文件頁數： | 5/28頁 |
| 文件大?。?/td> | 368K |
| 代理商： | AD28MSP01KST⒂ |
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AD28msp01
REV. A
–5–
{This ADSP-2101 program initializes the AD28msp01}
{and executes a loopback, or talk-through, routine.}
. MODULE/RAM/BOOT = 0 MSP01;
. VAR/DM/CIRC rec[2];
. VAR/DM/CIRC trans[2];
{Receive word buffer}
{Transmit word buffer}
{lnterrupt Vectors}
rset:
JUMP start;
RTI; RTI; RTI;
RTI; RTI; RTI; RTI;
AX0 = 0x25; DM(0x3ff3) = AX0;
RTI; RTI;
JUMP receive;
RTI; RTI; RTI;
RTI; RTI; RTI; RTI;
RTI; RTI; RTI; RTI;
RTI; RTI; RTI; RTI;
irq2v:
sprt0t:
{Disable TX autobuffer}
sprt0r:
sprt1t:
sprt1r:
timerv:
{Initialize DAGs}
start:
I2 =
^
rec;
L2 = %rec;
I3 = ^trans;
L3 = %trans;
M0 = 0;
M1 = 1;
S1 = 0;
DM(0x3000) = SI;
{Reset the AD28msp01}
{Initialize the ADSP-2101}
init dsp:
AX0 = 0x2a0f;
DM(0x3ff6) = AX0;
AX0 = 0x101f;
DM(0x3fff) = AX0;
{Ext RFS, Int TfS, Ext SCLK, SLEN = 15}
{SPORT0 control register}
{Enable SPORT0}
{System control register}
{Initialize AD28msp01 control register}
{Note: This section could be autobuffered.}
{Enable SPORT0 TX interrupt}
init msp01:
IMASK = 0x10;
AR = 0;
CNTR = 6;
DO initi UNTIL CE;
TX0 = AR;
IDLE;
TX0 = SI;
IDLE;
AY0 = AR;
AR = AY0 +1;
AX1 = 1;
AR = 0x18;
TX0 = AX1;
IDLE;
TX0 = AR;
AR = B#0025;
DM(0x3ff3) = AR;
IMASK = 0x18;
JUMP wait;
{Transmit address}
{Transmit control word}
initi:
{Increment address}
{Power up AD28msp01}
{Enable RX autobuffering with I2, M1}
{Autobuffer control register}
{Enable RX and TX interrupt}
{Wait for receive interrupt}
{Receive Interrupt Routine}
wait:
receive:
DM(0x3ff3) = SI;
AX1= DM(I2, M1);
{Disable autobuffering}
{Read first receive word from buffer}
相關PDF資料 |
PDF描述 |
|---|---|
| AD28MSP01KP | PSTN Signal Port |
| AD28MSP01KR | PSTN Signal Port |
| AD28MSP02 | RD Series - Econoline Unregulated DC-DC Converters; Input Voltage (Vdc): 24V; Output Voltage (Vdc): 15V; Power: 2W; Low Cost 2W Dual Output Converter; Industry Standard SIP7 and DIP14 Packages; Power Sharing on Outputs; Optional Continuous Short Circuit Protected; 1kVDC & 2kVDC Isolation Options; UL94V-0 Package Material; Efficiency to 86% |
| AD28MSP02BN | Voiceband Signal Port |
| AD28MSP02BR | Voiceband Signal Port |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD28MSP01KST⒂ | 制造商:AD 制造商全稱:Analog Devices 功能描述:PSTN Signal Port |
| AD28MSP02 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Voiceband Signal Port |
| AD28MSP02BN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD28MSP02BR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD28MSP02KN | 制造商:AD 制造商全稱:Analog Devices 功能描述:Voiceband Signal Port |
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