參數(shù)資料
型號: M30800SAFP-BL
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 32 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù): 7/62頁
文件大?。?/td> 626K
代理商: M30800SAFP-BL
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2. Central Processing Unit (CPU)
2.1 General Registers
2.1.1 Data Registers (R0, R1, R2 and R3)
R0, R1, R2 and R3 are 16-bit registers for transfer, arithmetic and logic operations. R0 and R1 can be
split into high-order bits (R0H) and low-order bits (R0L) to be used separately as 8-bit data registers.
R0 can be combined with R2 to be used as a 32-bit data register (R2R0). The same applies to R1 and
R3.
2.1.2 Address Registers (A0 and A1)
A0 and A1 are 24-bit registers for A0-/A1-indirect addressing, A0-/A1-relative addressing, transfer, arith-
metic and logic operations.
2.1.3 Static Base Register (SB)
SB is a 24-bit register for SB-relative addressing.
2.1.4 Frame Base Register (FB)
FB is a 24-bit register for FB-relative addressing.
2.1.5 Program Counter (PC)
PC, 24 bits wide, indicates the address of an instruction to be executed.
2.1.6 Interrupt Table Register (INTB)
INTB is a 24-bit register indicating the starting address of an relocatable interrupt vector table.
2.1.7 User Stack Pointer (USP), Interrupt Stack Pointer (ISP)
The stack pointers (SP), USP and ISP, are 24 bits wide each. The U flag is used to switch between USP
and ISP. Refer to 2.1.8 Flag Register (FLG) for details on the U flag. Set USP and ISP to even
addresses to execute an interrupt sequence efficiently.
2.1.8 Flag Register (FLG)
FLG is a 16-bit register indicating a CPU state.
2.1.8.1 Carry Flag (C)
The C flag indicates whether carry or borrow has occurred after executing an instruction.
2.1.8.2 Debug Flag (D)
The D flag is for debug only. Set to "0".
2.1.8.3 Zero Flag (Z)
The Z flag is set to "1" when the value of zero is obtained from an arithmetic operation; otherwise "0".
2.1.8.4 Sign Flag (S)
The S flag is set to "1" when a negative value is obtained from an arithmetic operation; otherwise "0".
相關PDF資料
PDF描述
M30800SAGP-BL 32-BIT, 32 MHz, MICROCONTROLLER, PQFP100
M30802MC-XXXGP 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP144
M30803SGP-BL 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP100
M30800SGP-BL 16-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP100
M30800FCGP 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
相關代理商/技術參數(shù)
參數(shù)描述
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