Sh7243; Differences Between The Mcu And The Emulator - Renesas E200F User Manual

Sh-2a, sh-2 emulator. supplementary information on using the sh7286, sh7285, and sh7243

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Section 3 Software Specifications when Using the SH7286,

3.1

1. When the emulator system is initiated, it initializes the general registers and part of the control

registers as shown in table 3.1. The initial values of the MCU are undefined. When the

emulator is initiated from the workspace, a value to be entered is saved in a session.

Table 3.1 Register Initial Values at Emulator Link Up

R0 to R14

R15 (SP)

GBR

VBR

TBR

MACH

MACL

Note: When a value of the interrupt mask bit in the SR register is changed in the [Registers]

window, it is actually reflected in that register immediately before execution of the user

program is started. It also applies when the value is changed by the REGISTER_SET

command.

2. The emulator uses the H-UDI; do not access the H-UDI.

3. Low-Power States (Sleep, Software Standby, and Module Standby)

⎯ When the emulator is used, the sleep state can be cleared with either the clearing function

or with the [STOP] button, and a break will occur.

⎯ The memory must not be accessed or modified in software standby state.

⎯ Do not stop inputting the clock to the H-UDI module by using the module standby

function.

Section 3 Software Specifications when Using the SH7286, SH7285, and SH7243

SH7285, and SH7243

Emulator at Link Up

H'00000000

Value of the SP in the power-on reset vector table

Value of the PC in the power-on reset vector table

H'000000F0

H'00000000

Rev. 4.00 Feb. 18, 2009 Page 27 of 64

REJ10J1662-0400

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