參數(shù)資料
型號(hào): MB91107APFV
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: 16 X 16 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LQFP-120
文件頁數(shù): 12/100頁
文件大小: 2144K
代理商: MB91107APFV
MB91107 Series
DS07-16305-4E
19
2.
Registers
The FR family has two types of registers; dedicated registers embedded on the CPU and general-purpose
registers on memory.
Dedicated registers
Program status (PS)
The PS register is for holding program status and consists of a condition code register (CCR), a system condition
code register (SCR) and a interrupt level mask register (ILM).
Program counter (PC)
: 32-bit length, indicates the location of the instruction to be executed.
Program status (PS)
: 32-bit length, register for storing register pointer or condition codes.
Table base register (TBR)
: Holds top address of vector table used in EIT (Exceptional/Interrupt/
Trap processing.
Return pointer (RP)
: Holds address to resume operation after returning from a subroutine.
System stack pointer (SSP) : Indicates system stack space.
User's stack pointer (USP)
: Indicates user’s stack space.
Multiplication/division result
register (MDH/MDL)
: 32-bit length, register for multiplication/division.
32 bit
Initial value
Program counter
PC
XXXX XXXX Indeterminate
Program status
PS
ILM
SCR CCR
Table base register
TBR
0 0 0F FC 0 0
Return pointer
RP
XXXX XXXX Indeterminate
System stack pointer
SSP
0 0 0 0 0 0 0 0
User’s stack pointer
USP
XXXX XXXX Indeterminate
Multiplication/division re-
sult register
MDH
XXXX XXXX Indeterminate
MDL
XXXX XXXX Indeterminate
bit
31
20
19
18
17
16
10
98765432
10
PS
ILM4 to ILM0
D1 D0
T
SI
N
Z
V
C
ILM
SCR
CCR
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