Register Configuration; Figure 2.6 Cpu Internal Registers - Renesas H8S Series Hardware Manual

16-bit single-chip microcomputer

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Register Configuration

The H8S/2000 CPU has the internal registers shown in figure 2.6. These are classified into two

types of registers: general registers and control registers. Control registers refer to a 24-bit

program counter (PC), an 8-bit extended control register (EXR), and an 8-bit condition code

General Registers (Rn) and Extended Registers (En)

Control Registers

Note: * Does not affect operation in this LSI.

: Stack pointer

: Program counter

: Extended control register

: Interrupt mask bits

: Condition-code register

: Interrupt mask bit

: User bit or interrupt mask bit

7 6 5 4 3 2 1 0

7 6 5 4 3 2 1 0

I UI H U N Z V C

: Half-carry flag

: Negative flag

: Overflow flag

: Carry flag

Rev. 3.00 Jul. 14, 2005 Page 27 of 986

Section 2 CPU

REJ09B0098-0300

H8s/2100 series H8s/2114r R4f2114r