參數(shù)資料
型號: P87C557E8
廠商: NXP Semiconductors N.V.
元件分類: 8位微控制器
英文描述: 8 BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 59/84頁
文件大?。?/td> 322K
代理商: P87C557E8
1999 Mar 12
59
Philips Semiconductors
Product specification
8-bit microcontroller
P8xC557E8
Table 80
Description of the mnemonics in the Instruction set
MNEMONIC
DESCRIPTION
Data addressing modes
Rr
direct
@Ri
#data
#data 16
bit
addr16
Working register R0-R7.
128 internal RAM locations and any special function register (SFR).
Indirect internal RAM location addressed by register R0 or R1 of the actual register bank.
8-bit constant included in instruction.
16-bit constant included as bytes 2 and 3 of instruction.
Direct addressed bit in internal RAM or SFR.
16-bit destination address. Used by LCALL and LJMP.
The branch will be anywhere within the 64 kbytes Program Memory address space.
11-bit destination address. Used by ACALL and AJMP. The branch will be within the same 2 kbytes
page of Program Memory as the first byte of the following instruction.
Signed (two's complement) 8-bit offset byte. Used by SJMP and all conditional jumps.
Range is
128 to +127 bytes relative to first byte of the following instruction.
addr11
rel
Hexadecimal opcode cross-reference
*
8, 9, A, B, C, D, E, F.
1, 3, 5, 7, 9, B, D, F.
0, 2, 4, 6, 8, A, C, E.
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