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1 fr family register configuration, Fr family register configuration – FUJITSU FR family 32-bit microcontroller instruction manuel CM71-00101-5E User Manual

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CHAPTER 3 REGISTER DESCRIPTIONS

3.1

FR Family Register Configuration

FR family devices use two types of registers, general-purpose registers and dedicated
registers.
• General-purpose registers: Store computation data and address information
• Dedicated registers: Store information for specific applications
Figure 3.1-1 sho
ws the configuration of registers in FR family devices.

FR Family Register Configuration

Figure 3.1-1 FR Family Register Configuration

64 bits

32 bits

Initial value

Undefined

Undefined

Undefined

Undefined

Undefined

Undefined

Undefined

Undefined

Undefined

Undefined

General-purpose registers

Dedicated registers

MD

R0

R1

R2

R3

R12

R13

R14

R15

PC

PS

TBR

RP

SSP

USP

Accumulator(AC)

Frame pointer(FP)

SSP or USP

-

-

ILM

SCR CCR

00000000

H

00000000

H

000FFC00

H

Reset entry address

ILM=01111

B

SCR=XX0

B

CCR=XX00XXXX

B