h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 1011

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h8s-2635

Manufacturer Part Number
h8s-2635
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
Subclock functions are not available in the HD64F2636F, HD64F2638F, HD6432636F,
HD6432638F, HD64F2630F, and HD6432630F.
23A.1 Overview
In addition to the normal program execution state, the chip has nine power-down modes in which
operation of the CPU and oscillator is halted and power dissipation is reduced. Low-power
operation can be achieved by individually controlling the CPU, on-chip supporting modules, and
so on.
The chip operating modes are as follows:
(1) High-speed mode
(2) Medium-speed mode
(3) Sleep mode
(4) Module stop mode
(5) Software standby mode
(6) Hardware standby mode
(2) to (6) are low power dissipation states. Sleep mode is CPU states, medium-speed mode is a
CPU and bus master state, and module stop mode is an internal peripheral function (including bus
masters other than the CPU) state. Some of these states can be combined.
After a reset, the LSI is in high-speed mode with modules other than the DTC in module stop
mode.
Notes: 1. Subclock functions (subactive mode, subsleep mode, and watch mode) are available in
[HD64F2636F, HD64F2638F, HD6432636F, HD6432638F,
HD64F2630F, HD6432630F, HD64F2635F, HD6432635F,
Section 23A Power-Down Modes [HD64F2636F, HD64F2638F, HD6432636F, HD6432638F,
2. See section 22A.7, Subclock Oscillator, for the method of fixing pins OSC1 and OSC2
the U-mask and W-mask versions only.
These functions cannot be used with the other versions.
when not used.
Section 23A Power-Down Modes
HD64F2630F, HD6432630F, HD64F2635F, HD6432635F, HD6432634F]
HD6432634F]
Rev. 6.00 Feb 22, 2005 page 951 of 1484
REJ09B0103-0600

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