Table 22.1 Lsi Internal States In Each Mode - Hitachi H8S/2215 Series Hardware Manual

Table 22.1 LSI Internal States in Each Mode

Function
System clock pulse
generator
CPU Instructions
Registers
External NMI
interrupts
IRQ0–5, 7
Peripheral DMAC
functions
DTC
I/O
TPU
TMR
WDT
D/A
A/D
SCI
USB
USB
operating
clock
PLL circuit
RAM
Notes: "Halted (retained)" means that internal register values are retained. The internal state is
"operation suspended."
"Halted (reset)" means that internal register values and internal states are initialized.
In module stop mode, only modules for which a stop setting has been made are halted
(reset or retained).
Rev. 3.0, 10/02, page 608 of 686
Medium-
High-Speed Speed
Functioning Functioning
Functioning Medium-
speed
operation
Functioning Functioning
Functioning Medium-
speed
operation
Functioning Functioning
Functioning Functioning
Functioning Functioning
Functioning Functioning
Functioning Functioning
Functioning Function not
guaranteed
Functioning Functioning
Module
Sleep Stop
Functioning Functioning
Halted High/
medium-
(retained)
speed
operation
Functioning Functioning
Functioning Halted
(retained)
Functioning Functioning
Functioning Halted
(retained)
Functioning Functioning
Functioning Halted
(retained)
Functioning Halted
(reset)
Functioning Halted
(retained)
Halted
(retained)
Functioning Functioning
Software Hardware
Standby Standby
Halted Halted
Halted Halted
(retained) (undefined)
Functioning Halted
Halted Halted
(retained) (reset)
Retained High
impedance
Halted Halted
(retained) (reset)
Halted Halted
(retained) (reset)
Halted Halted
(retained) (reset)
Halted Halted
(reset) (reset)
Halted Halted
(retained) (reset)
Halted
(retained)
Retained Retained