MB91107 View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB91107

32-bit RISC Microcontroller

Fujitsu 

MB91107/108

•Condition code register (CCR)

S-flag : Specifies a stack pointer used as R15.

I-flag : Controls user interrupt request enable/disable.

N-flag : Indicates sign bit when division result is assumed to be in the 2’s complement format.

Z-flag : Indicates whether or not the result of division was “0”.

V-flag

: Assumes the operand used in calculation in the 2’s complement format and indicates whether or

not overflow has occurred.

C-flag : Indicates if a carry or borrow from the MSB has occurred.

•System condition code register (SCR)

T-flag : Specifies whether or not to enable step trace trap.

•Interrupt level mask register (ILM)

ILM4 to ILM0 : Register for holding interrupt level mask value. The value held by this register is used as a

level mask. When an interrupt request issued to the CPU is higher than the level held by ILM,

the interrupt request is accepted.

ILM4

0

ILM3

0

ILM2

0

ILM1

0

ILM0

0

Interrupt level High-low

0

High

0

1

1

1

1

15

1

1

1

1

1

31

Low

20

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