PCD
address space.
When linking multiple compilation units be aware this directive only applies to the
current compilation unit.
The #TYPE directive allows the keywords UNSIGNED and SIGNED to set the
default data type.
Examples: #TYPE
SHORT= 8 , INT= 16 , LONG= 32
#TYPE default=area
addressmod (user_ram_block, 0x100, 0x1FF);
#type default=user_ram_block
#type default=
// all variable declarations
// in this area will be in
// 0x100-0x1FF
// restores memory allocation
// back to normal
#TYPE SIGNED
...
void main()
{
int variable1;
...
...
}
// variable1 can only take values from -128 to 127
Example
Files:
Also See: None
#UNDEF
Syntax:
Elements:
Purpose:
Examples:
#UNDEF id
id is a pre-processor id defined via #DEFINE
The specified pre-processor ID will no longer have meaning to the pre-
processor.
#if MAXSIZE<100
#undef MAXSIZE
#define MAXSIZE 100
#endif
120
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相关代理商/技术参数
PCD_09 制造商:MACOM 制造商全称:Tyco Electronics 功能描述:Low Profile PCB Relay PCD
PCD-00173-0C 制造商:Molex 功能描述:ETHERNET CABLE ASSEMBLY
PCD-00173-0E 制造商:Molex 功能描述:Ethernet Cable Assembly
PCD-00173-0H 制造商:Molex 功能描述:ETHERNET CABLE ASSEMBLY
PCD-00173-0K 制造商:Molex 功能描述:ETHERNET CABLE ASSEMBLY
PCD-00174-0C 制造商:Molex 功能描述:ETHERNET CABLE ASSEMBLY 制造商:Molex 功能描述:ETHERNET CABLE ASSEMBLY; Cable Length - Imperial:3ft; Cable Length - Metric:914.4mm; Connector Type A:RJ45 Plug; Connector Type B:RJ45 Plug; Jacket Color:Red; Approval Bodies:CSA / UL; Body Material:PVC; Cable Assembly Type:Ethernet ;RoHS Compliant: NA
PCD-00174-0E 制造商:Molex 功能描述:ETHERNET CABLE ASSEMBLY 制造商:Molex 功能描述:ETHERNET CABLE ASSEMBLY; Cable Length - Imperial:3ft; Cable Length - Metric:914.4mm; Connector Type A:RJ45 Plug; Connector Type B:RJ45 Plug; Jacket Color:Grey; Approval Bodies:CSA / UL; Body Material:PVC; Cable Assembly Type:Ethernet;RoHS Compliant: NA
PCD-00174-0H 制造商:Molex 功能描述:ETHERNET CABLE ASSEMBLY