Register Configuration; Overview - Hitachi H8S/2199 Hardware Manual

Single-chip microcomputer

Table of Contents

Register Configuration

The CPU has the internal registers shown in figure 2.7. There are two types of registers:

general registers and control registers.

General Registers (Rn) and Extended Registers (En)

Control Registers (CR)

: Stack pointer

: Program counter

: Extended control register

: Interrupt mask bits

: Condition-code register

: Interrupt mask bit

: User bit or interrupt mask bit

Note: * Does not affect operation in this LSI.

Rev. 1.0, 02/00, page 26 of 1141

Figure 2.7 CPU Registers

7 6 5 4 3 2 1 0

T – – – – I2 I1 I0

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