HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 950

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 21 Power-Down Modes
Table 21.1 Operating Modes
Operating
Mode
High speed
mode
Medium-
speed mode
Sleep mode
Module stop
mode
Software
standby
mode
Hardware
standby
mode
Notes: 1. The bus master operates on the medium-speed clock, and other on-chip supporting
21.1.1
Power-down modes are controlled by the SBYCR, SCKCR, and MSTPCR registers. Table 21.2
summarizes these registers.
Table 21.2 Power-Down Mode Registers
Name
Standby control register
System clock control register
Module stop control register H
Module stop control register L
Note: * Lower 16 bits of the address.
Rev.6.00 Sep. 27, 2007 Page 920 of 1268
REJ09B0220-0600
2. Some SCI registers and the A/D converter are reset, and other on-chip supporting
Register Configuration
modules on the high-speed clock.
modules retain their states.
Transition
Condition
Control
register
Control
register
Instruction
Control
register
Instruction
Pin
Interrupt
External
interrupt
Clearing
Condition
MSTPCRH
Abbreviation
SBYCR
SCKCR
MSTPCRL
Functions
Functions
Functions
Functions
Halted
Halted
Oscillator
High
speed
Medium
speed
Halted
High/
medium
speed
Halted
Halted
R/W
R/W
R/W
R/W
R/W
CPU
Function
Function
Retained
Function
Retained
Undefined
Registers
Initial Value
H'08
H'00
H'3F
H'FF
High
speed
High/
medium
speed
High
speed
Halted
Halted
Halted
Modules
*
1
Function
Function
Function
Retained/
reset
Retained/
reset
Reset
Registers I/O Ports
*
*
2
2
Address *
H'FF38
H'FF3A
H'FF3C
H'FF3D
High speed
High speed
High speed
Retained
Retained
High
impedance