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SC3200 Datasheet(PDF) 76 Page - Advanced Micro Devices |
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SC3200 Datasheet(HTML) 76 Page - Advanced Micro Devices |
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76 / 447 page ![]() 76 AMD Geode™ SC3200 Processor Data Book Signal Definitions Revision 5.1 IRQ14 D25 AF1 I Interrupt Request Channels 0 and 1. These input signals are edge-sensitive inter- rupts that indicate when the IDE device is requesting a CPU interrupt service. Note: If selected as IRQ14/IRQ15 function but not used, tie IRQ14/IRQ15 low. TFTD1 IRQ15 H30 AJ8 I GPIO11+RI2# 3.4.9 IDE Interface Signals (Continued) Signal Name Ball No. Type Description Mux EBGA TEPBGA 3.4.10 Universal Serial Bus (USB) Interface Signals Signal Name Ball No. Type Description Mux EBGA TEPBGA POWER_EN B28 AH1 O Power Enable. This signal enables the power to a self-powered USB hub. --- OVER_CUR# C27 AF4 I Overcurrent. This signal indicates that the USB hub has detected an overcurrent on the USB. --- DPOS_PORT1 AH2 A28 I/O USB Port 1 Data Positive for Port 1.1 --- DNEG_PORT1 AG3 A29 I/O USB Port 1 Data Negative for port 1.1 --- DPOS_PORT2 AH1 B27 I/O USB Port 2 Data Positive for Port 2.1 --- DNEG_PORT2 AG2 B28 I/O USB Port 2 Data Negative for Port 2.1 --- DPOS_PORT3 AE4 A26 I/O USB Port 3 Data Positive for Port 3.1 --- DNEG_PORT3 AF3 A27 I/O USB Port 3 Data Negative for Port 3.1 --- 1. A 15K ohm pull-down resistor is required on all ports (even if unused). 3.4.11 Serial Ports (UARTs) Interface Signals Signal Name Ball No. Type Description Mux EBGA TEPBGA SIN1 D26 AG2 I Serial Inputs. Receive composite serial data from the communications link (peripheral device, modem or other data transfer device). Note: If selected as SIN2 or SIN3 func- tion(s) but not used, then signal(s) should be tied high. --- SIN2 AJ4 E28 SDTEST3 SIN3 J28 AK8 IRRX1 SOUT1 B27 AF3 O Serial Outputs. Send composite serial data to the communications link (peripheral device, modem or other data transfer device). These signals are set active high after a system reset. CLKSEL1 (Strap) SOUT2 AK3 D29 CLKSEL2 (Strap) SOUT3 J3 C11 IRTX |
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