HD6437101 RENESAS [Renesas Technology Corp], HD6437101 Datasheet - Page 484

• Manufacturer Part Number: HD6437101
• Description: 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 18 Power-Down Modes
Table 18.1 Internal Operating States in Each Mode
Function
System clock pulse
generator
Peripheral
functions
Notes: "Halted (retained)" means that the operation of the internal state is suspended, although
Rev.1.00 Sep. 18, 2008 Page 450 of 522
REJ09B0069-0100
CPU
External
interrupts
internal register values are retained.
"Halted (reset)" means that internal register values and internal state are initialized.
In module standby mode, only modules for which a stop setting has been made are halted
(reset or retained).
1. There are two types of on-chip peripheral module registers; ones which are initialized in
2. The port high-impedance bit (Hi-Z) in SBYCR sets the state of the I/O ports in software
software standby mode and module standby mode, and those not initialized in those
modes. For details, refer to section 19.3, Register States in Each Operating Mode.
standby mode. For details on the setting, refer to section 18.2.1, Standby Control
Register (SBYCR). For the state of pins, refer to appendix A, Pin States.
I/O ports
WDT
ROM
RAM
Instructions
Registers
NMI
IRQ3 to
IRQ0
SCI
A/D
MTU
CMT
MMT
Normal
operation
Functioning
Functioning
Functioning
Functioning
Functioning
Functioning
Functioning
Functioning
Sleep
Functioning
Functioning
Functioning
Functioning
Functioning
Halted
(retained)
Functioning
Functioning
Module
Standby
Functioning
Functioning
Functioning
Halted (reset) Halted (reset) Halted (reset)
Retained
Functioning
Functioning
Halted (reset) Halted (reset) Halted (reset)
Software
Standby
Halted
Retained
Halted
(retained)
Retained
Halted
(retained)
Functioning
Hardware
Standby
Halted
High
impedance
Halted (reset)
Retained
Halted
(undefined)
Halted