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MSC8101 Datasheet(PDF) 9 Page - Motorola, Inc |
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MSC8101 Datasheet(HTML) 9 Page - Motorola, Inc |
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9 / 104 page  Reset, Configuration, and EOnCE Event Signals MSC8101 Technical Data, Rev. 16 Freescale Semiconductor 1-5 1.3 Reset, Configuration, and EOnCE Event Signals CLKOUT Output Clock Out The system bus clock. DLLIN Input DLLIN Synchronizes with an external device. Note: When the DLL is disabled, connect this signal to GND. Table 1-4. Reset, Configuration, and EOnCE Event Signals Signal Name Type Signal Description DBREQ EE01 Input Input Output Debug Request Determines whether to go into SC140 Debug mode when PORESET is deasserted. Enhanced OnCE (EOnCE) Event 0 After PORESET is deasserted, you can configure EE0 as an input (default) or an output. Debug request, enable Address Event Detection Channel 0, or generate an EOnCE event. Detection by Address Event Detection Channel 0. Used to trigger external debugging equipment. HPE EE11 Input Input Output Host Port Enable When this pin is asserted during PORESET, the Host port is enabled, the system data bus is 32 bits wide, and the Host must program the reset configuration word. EOnCE Event 1 After PORESET is deasserted, you can configure EE1 as an input (default) or an output. Enable Address Event Detection Channel 1 or generate an EOnCE event. Debug Acknowledge or detection by Address Event Detection Channel 1. Used to trigger external debugging equipment. EE2 1 Input Output EOnCE Event 2 After PORESET is deasserted, you can configure EE2 as an input (default) or an output. Enable Address Event Detection Channel 2 or generate an EOnCE event or enable the Event Counter. Detection by Address Event Detection Channel 2. Used to trigger external debugging equipment. EE3 1 Input Output EOnCE Event 3 After PORESET is deasserted, you can configure EE3 as an input (default) or an output. See the emulation and debug chapter in the SC140 DSP Core Reference Manual for details on the ERCV Register. Enable Address Event Detection Channel 3 or generate one of the EOnCE events. The DSP has read the EOnCE Receive Register (ERCV). Triggers external debugging equipment. Table 1-3. Clock Signals (Continued) Signal Name Type Signal Description |
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