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参数资料
| 型号： | AT87251G2D-SLSUM |
| 厂商： | ATMEL CORP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | B/16-BIT MICROCONTROLLER WITH SERIAL COMMUNICATION INTERFACES |
| 中文描述： | 16-BIT, OTPROM, 24 MHz, MICROCONTROLLER, PQCC44 |
| 封装： | GREEN, PLASTIC, LCC-44 |
| 文件页数： | 22/76页 |
| 文件大小： | 1175K |
| 代理商： | AT87251G2D-SLSUM |
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22
AT/TSC8x251G2D
4135D–8051–08/05
Table 16.
Notation for Immediate Addressing
Table 17.
Notation for Bit Addressing
Table 18.
Notation for Destination in Control Instructions
Immediate
Address
Description
C251
C51
#data
An 8-bit constant that is immediately addressed in an instruction
3
3
#data16
A 16-bit constant that is immediately addressed in an instruction
3
–
#0data16
#1data16
A 32-bit constant that is immediately addressed in an instruction. The
upper word is filled with zeros (#0data16) or ones (#1data16).
3
–
#short
A constant, equal to 1, 2, or 4, that is immediately addressed in an
instruction.
3
–
Direct
Address
Description
C251
C51
bit51
A directly addressed bit (bit number = 00h-FFh) in memory or an
SFR. Bits 00h-7Fh are the 128 bits in byte locations 20h-2Fh in the
on-chip RAM. Bits 80h-FFh are the 128 bits in the 16 SFRs with
addresses that end in 0h or 8h, S:80h, S:88h, S:90h,..., S:F0h,
S:F8h.
–
3
bit
A directly addressed bit in memory locations 00:0020h-00:007Fh or
in any defined SFR.
3
Direct
Address
Description
C251
C51
rel
A signed (two’s complement) 8-bit relative address. The destination
is -128 to +127 bytes relative to the next instruction’s first byte.
3
3
addr11
An 11-bit target address. The target is in the same 2-Kbyte block of
memory as the next instruction’s first byte.
–
3
addr16
A 16-bit target address. The target can be anywhere within the same
64-Kbyte region as the next instruction’s first byte.
–
3
addr24
A 24-bit target address. The target can be anywhere within the 16-
Mbyte address space.
3
–
相关PDF资料 |
PDF描述 |
|---|---|
| AT80251G2D | B/16-BIT MICROCONTROLLER WITH SERIAL COMMUNICATION INTERFACES |
| AT80251G2D-3CSUM | B/16-BIT MICROCONTROLLER WITH SERIAL COMMUNICATION INTERFACES |
| AT80251G2D-RLTUL | B/16-BIT MICROCONTROLLER WITH SERIAL COMMUNICATION INTERFACES |
| AT80251G2D-RLTUM | CONNECTORS, INDUSTRIAL; SERIES:97/MS; CONNECTOR TYPE:CIRCULAR; ER 3C 3#8 SKT RECP BOX |
| AT80251G2D-SLSUL | ER 3C 3#8 SKT RECP BOX |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AT875 | 制造商:POSEICO 制造商全称:POSEICO 功能描述:PHASE CONTROL THYRISTOR |
| AT875LT | 制造商:POSEICO 制造商全称:POSEICO 功能描述:PHASE CONTROL THYRISTOR |
| AT875LTS44 | 制造商:POSEICO 制造商全称:POSEICO 功能描述:PHASE CONTROL THYRISTOR |
| AT875S44 | 制造商:POSEICO 制造商全称:POSEICO 功能描述:PHASE CONTROL THYRISTOR |
| AT-879/ARC | 制造商: 功能描述: 制造商:undefined 功能描述: |
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