3 dedicated registers, Dedicated registers – FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E User Manual
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CHAPTER 3 REGISTER DESCRIPTIONS
3.3
Dedicated Registers
The FR family has six 32-bit registers reserved for various special purposes, plus one
64-bit dedicated register for multiplication and division operations.
■
Dedicated Registers
The following seven dedicated registers are provided. For details, see the descriptions in Sections "3.3.1
Program Counter (PC)" through "3.3.6 Multiplication/Division Register (MD)".
●
32-bit Dedicated Registers
•
Program counter (PC)
•
Program status (PS)
•
Table base register (TBR)
•
Return pointer (RP)
•
System stack pointer (SSP)
•
User stack pointer (USP)
●
64-bit Dedicated Register
•
Multiplication/Division Register (MD)
Figure 3.3-1 shows the configuration of the dedicated registers.
Figure 3.3-1 Dedicated Register Configuration
64 bits
Undefined
Undefined
Undefined
MD
PC
PS
TBR
RP
SSP
USP
-
-
ILM
SCR CCR
00000000
H
000FFC00
H
Reset entry address
ILM=01111
B
SCR=XX0
B
CCR=XX00XXXX
B
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