tsc251g1dxxx-l12ced ATMEL Corporation, tsc251g1dxxx-l12ced Datasheet - Page 23

• Manufacturer Part Number: tsc251g1dxxx-l12ced
• Description: 8/16-bit Microcontroller With Serial Communication Interfaces - 32kbytes Rom
• Manufacturer: ATMEL Corporation

4135F–8051–11/06
Table 19. Notation for Register Operands
at Ri
Rn
n
Rm
Rmd
Rms
m, md, ms
WRj
WRjd
WRjs
at WRj
at WRj +dis16
j, jd, js
DRk
DRkd
DRks
at DRk
at DRk +dis16
k, kd, ks
Register
Description
A memory location (00h-FFh) addressed indirectly via byte registers
R0 or R1
Byte register R0-R7 of the currently selected register bank
Byte register index: n = 0-7
Byte register R0-R15 of the currently selected register file
Destination register
Source register
Byte register index: m, md, ms = 0-15
Word register WR0, WR2, ..., WR30 of the currently selected register
file
Destination register
Source register
A memory location (00:0000h-00:FFFFh) addressed indirectly
through word register WR0-WR30, is the target address for jump
instructions.
A memory location (00:0000h-00:FFFFh) addressed indirectly
through word register (WR0-WR30) + 16-bit signed (two’s
complement) displacement value
Word register index: j, jd, js = 0-30
Dword register DR0, DR4, ..., DR28, DR56, DR60 of the currently
selected register file
Destination register
Source register
A memory location (00:0000h-FF:FFFFh) addressed indirectly
through dword register DR0-DR28, DR56 and DR60, is the target
address for jump instruction
A memory location (00:0000h-FF:FFFFh) addressed indirectly
through dword register (DR0-DR28, DR56, DR60) + 16-bit (two’s
complement) signed displacement value
Dword register index: k, kd, ks = 0, 4, 8..., 28, 56, 60
AT/TSC8x251G2D
C251
–
–
3
3
3
C51
3
3
–
–
–
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