Motorola M68EZ328ADS user manual Control Switches, DIP Switches, DIP Switch pack S1 Setting

Freescale Semiconductor, Inc.

ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005

Freescale Semiconductor, Inc.

Hardware Description and Board Operation

3.2 CONTROL SWITCHES

There are two push buttons on the ADS which function as follows:

ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005

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.

3.3DIP 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 3-1and Table 3-2show 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

3-17M68EZ328ADS v2.0 USER’S MANUALMOTOROLA

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