Renesas CE2000-H8S Series, Руководство пользователя

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Section 5. Differences between H8S Microcomputer and
Emulator
5.1 Power up and reset
When the emulator initialises the system or resets the Microcomputer as a result of a command such as
switching the clock, or when the reset command is used, note that the general-purpose registers and part
of the control registers are initialized.
Table 5-1 Differences between H8S and Emulator
Status Register Emulator H8S
PC Power on reset vector value Power on reset vector value
ER0 to ER6 H’00000000 Undefined
ER7 (SP) H’FFEFBC Undefined
CCR
The I mask is set to 1 and the
other bits are undefined
(B’1-------) The I mask is set to 1 and the
other bits are undefined
(B’1------)
EXR
Trace bit is set to 0 and the
interrupt bits are set to 1
(B’0----111) Trace bit is set to 0 and the
interrupt bits are set to 1
(B’0----111)
Emulator
Initialisation
(power on)
PC Power on reset vector value Power on reset vector value
ER0 to ER6 Undefined Undefined
ER7 (SP) Undefined Undefined
CCR
The I mask is set to 1 and the
other bits are undefined
(B’1-------) The I mask is set to 1 and the
other bits are undefined
(B’1------)
EXR
Trace bit is set to 0 and the
interrupt bits are set to 1
(B’0----111) Trace bit is set to 0 and the
interrupt bits are set to 1
(B’0----111)
Emulator
Initialisation
(reset
command)
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