參數(shù)資料
型號： MB91340PMT
元件分類： 微控制器/微處理器
英文描述： 32-BIT, MROM, 66 MHz, RISC MICROCONTROLLER, PQFP176
封裝： PLASTIC, LQFP-176
文件頁數(shù)： 52/126頁
文件大?。?/td> 1501K
代理商： MB91340PMT
MB91340/MB91V340
31
s GENERAL PURPOSE REGISTERS
General purpose registers R0 to R15 are used by the CPU. The registers are used as the accumulator and
memory access pointers for CPU operations.
The following three registers are treated as having special meanings to enhance the operation of some instruc-
tions.
R13 : Virtual accumulator (AC)
R14 : Frame pointer (FP)
R15 : Stack pointer (SP)
The values of R0 to R14 after a reset are undefined. R15 is initialized to 0000 0000H (SSP value) .
R0
R1
R12
R13
R14
R15
AC (Accumulator)
FP (Frame Pointer)
SP (Stack Pointer)
XXXX XXXXH
0000 0000H
Initial Value
32-bit
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