Motorola M68EZ328ADS - Manual (Page 18)

Hardware Description and Board Operation
3-17 M68EZ328ADS v2.0 USER’S MANUAL MOTOROLA
3.2 CONTROL SWITCHES
There are two push buttons on the ADS which function as follows:
1. Reset Switch (SW2): When pressed, a hardware reset is generated to the
MC68EZ328 processor and resumes operation.
2. Abort Switch (SW1): This switch is used to generate a level 7 interrupt to the
MC68EZ328 processor for aborting normal software execution and returning control
to the debug monitor.
3.3 DIP SWITCHES
There are two DIP switch packs on the ADS board, S1 and S2. S1 is used to configure the
memory system and operation modes. S2 is used to enable the on-board peripheral such
as buzzer and touch panel controller. Table 3-1 and Table 3-2 show the description of each
switch.
Table 3-1. DIP Switch pack S1 Setting
Switch FUNCTION ON OFF
S1-1 UART Transceiver Enable Disable
S1-2 IrDA Module Enable Disable
S1-3 Buzzer Enable Disable
S1-4 Pen IRQ Enable Disable
S1-5 Chip Select of Touch Panel Controller Enable Disable
S1-6 Unused
S1-7 Unused
S1-8 Unused
Table 3-2. DIP Switch pack S2 Setting
Switch FUNCTION ON OFF
S2-1 CSA0 - FLASH0 Connected Disconnected
S2-2 CSA1 - FLASH1 Connected Disconnected
S2-3 CSD0 - EDO DRAM Connected Disconnected
S2-4 EMU Mode Enable Disable
S2-5 Bootstrap Mode Enable Disable
S2-6 Monitor Select SDS Metrowerks
S2-7 Unused
S2-8 Unused
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ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005
ARCHIVED BY FREESCALE SEMICONDUCT
OR,
INC.
2005