H8/3004 Просмотр технического описания (PDF) - Renesas Electronics

Номер в каталоге

Компоненты Описание

производитель

H8/3004

Microcomputer

Renesas Electronics 

WCER—Wait Controller Enable Register

H'EF

Bus controller

Bit

7

6

5

4

3

2

1

0

SSBY STS2 STS1 STS0 UE NMIEG — RAME

Initial value

0

0

0

0

1

0

1

1

Read/Write

R/W

R/W R/W R/W R/W R/W

—

R/W

RAM enable

0 On-chip RAM is disabled

1 On-chip RAM is enabled

NMI edge select

0 An interrupt is requested at the falling edge of NMI

1 An interrupt is requested at the rising edge of NMI

User bit enable

0 CCR bit 6 (UI) is used as an interrupt mask bit

1 CCR bit 6 (UI) is used as a user bit

Standby timer select 2 to 0

Bit 6 Bit 5 Bit 4

STS2 STS1 STS0 Standby Timer

0

0

0 Waiting time = 8192 states

1 Waiting time = 16384 states

1

0 Waiting time = 32768 states

1 Waiting time = 65536 states

1

0 — Waiting time = 131072 states

1 — Illegal setting

Software standby

0 SLEEP instruction causes transition to sleep mode

1 SLEEP instruction causes transition to software standby mode

MDCR—Mode Control Register

H'F1

System control

457

Share Link: