Emulation Device Selection (S1) - Motorola M68EM05D32 User Manual

2.1.4 Emulation Device Selection (S1)

Switch array S1 allows the user to determine the device which is to be emulated; it selects the
size of the memory map available to the MCU and also some device specific features. The
following table shows the settings of S1 which are required for each MCU emulated. Section
2.2 discusses the MMDS05 personality files to be used with each device and the operation of
replacing the resident MCU where this is necessary.
DEVICE
M68HC05D9
M68HC705D9
M68HC05D24
M68HC05D32
M68EM05D32/D
MMDS05 CONFIGURATION AND OPERATION
Table 2-1. MCUs Emulation Selection
S1 SWITCH S1 SWITCH
1
CLOSED
CLOSED
CLOSED
OPEN
S1
1
2
3
4
Open
S1 SWITCH
2 3
OPEN CLOSED
OPEN CLOSED
CLOSED OPEN
CLOSED OPEN
Closed
2-5
S1 SWITCH
4
CLOSED
CLOSED
CLOSED
CLOSED
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