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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