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參數(shù)資料
| 型號(hào)： | MB91F158PMC1 |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | RISC MICROCONTROLLER, PQFP120 |
| 封裝： | 14 X 14 MM, 1.70 MM HEIGHT, 0.40 MM PITCH, PLASTIC, LQFP-120 |
| 文件頁(yè)數(shù)： | 10/92頁(yè) |
| 文件大?。?/td> | 2193K |
| 代理商： | MB91F158PMC1 |
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MB91F158 Series
18
DS07-16316-2E
■ GENERAL-PURPOSE REGISTERS
General-purpose registers are CPU registers R0 through R15 and used as accumulators during various oper-
ations and as memory access pointers (fields indicating addresses) .
Of the 16 general-purpose registers, the following registers are assumed for specific applications. For this reason,
some instructions are enhanced.
R13 : Virtual accumulator (AC)
R14 : Frame pointer (FP)
R15 : Stack pointer (SP)
Initial values to which R0 through R14 are reset are not defined. The initial value of R15 is 0000 0000H (the SSP
value) .
Register Bank Configuration
R0
R1
R12
R13
R14
R15
AC (Accumulator)
FP (Frame Pointer)
SP (Stack Pointer)
XXXX XXXXH
Initial value
XXXX XXXXH
0000 0000H
32 bits
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