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參數(shù)資料
| 型號(hào)： | A42MX16-2BG100 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 40MX and 42MX FPGA Families |
| 中文描述： | 40MX和42MX FPGA系列 |
| 文件頁(yè)數(shù)： | 90/120頁(yè) |
| 文件大?。?/td> | 854K |
| 代理商： | A42MX16-2BG100 |
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71
4958B–AUTO–11/10
Atmel ATA6285/ATA6286 [Preliminary]
It is important to notice that accessing 16-bit registers are atomic operations. If an interrupt
occurs between the two instructions accessing the 16-bit register, and the interrupt code
updates the temporary register by accessing the same or any other of the 16-bit Timer Regis-
ters, then the result of the access outside the interrupt will be corrupted. Therefore, when both
the main code and the interrupt code update the temporary register, the main code must disable
the interrupts during the 16-bit access.
The following code examples show how to do an atomic read of the T2COR Register contents.
Reading any of the 16-bit Registers can be done by using the same principle.
Note:
1. The example code assumes that the part specific header file is included. For I/O Registers
located in extended I/O map, “IN”, “OUT”, “SBIS”, “SBIC”, “CBI”, and “SBI” instructions must
be replaced with instructions that allow access to extended I/O. Typically “LDS” and “STS”
combined with “SBRS”, “SBRC”, “SBR”, and “CBR”.
The assembly code example returns the T2COR value in the r17:r16 register pair.
Assembly Code Example(1)
TIM16_ReadT2COR:
; Save global interrupt flag
In r18, SREG
; Disable interrupts
cli
; Read T2COR into r17:r16
LDS r16,T2CORL
LDS r17,T2CORH
; Restore global interrupt flag
Out SREG, r18
ret
C Code Example(1)
unsigned int TIM16_ReadT2COR( void )
{
unsigned char sreg;
unsigned int i;
/* Save global interrupt flag */
sreg = SREG;
/* Disable interrupts */
_CLI();
/* Read T2COR into i */
i = T2COR;
/* Restore global interrupt flag */
SREG = sreg;
return i;
}
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| A42MX24-2BG100 | Proximity Sensor; Sensor Input Type:Inductive; Sensing Range Max:15mm; Sensor Output Type:NPN Transistor; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; Sensing Face Diameter:18mm; Sensor Housing:Barrel |
| A42MX36-2BG100 | 40MX and 42MX FPGA Families |
| A42MX02-2BG100A | Proximity Sensor; Sensor Input Type:Inductive; Sensing Range Max:15mm; Sensor Output Type:NPN Transistor; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No; Sensing Face Diameter:18mm; Sensor Housing:Barrel |
| A42MX04-2BG100A | 40MX and 42MX FPGA Families |
| A42MX09-2BG100A | Inductive Proximity Sensor; Sensor Input Type:Inductive; Sensing Range Max:20mm; Sensor Output:AC/DC; Switch Terminals:Cable; Load Current Max:400mA; Sensing Face Diameter:30mm; Sensor Connection:2 m Cable; Sensor Housing:Barrel RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A42MX16-2BG100A | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:40MX and 42MX FPGA Families |
| A42MX16-2BG100B | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:40MX and 42MX FPGA Families |
| A42MX16-2BG100ES | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:40MX and 42MX FPGA Families |
| A42MX16-2BG100I | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:40MX and 42MX FPGA Families |
| A42MX16-2BG100M | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:40MX and 42MX FPGA Families |
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