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SPEAR1340 Datasheet(PDF) 45 Page - STMicroelectronics |
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SPEAR1340 Datasheet(HTML) 45 Page - STMicroelectronics |
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45 / 200 page  SPEAr1340 Pin description Doc ID 023063 Rev 4 45/200 3.2 Ball characteristics Table 3 provides a detailed description of SPEAr1340 pads and their terminal characteristics. Two levels of multiplexing are available: ● Pad-level multiplexing ● IP-level multiplexing Figure 6 shows an overview of SPEAr1340 multiplexing scheme. Figure 6. SPEAr1340 multiplexing scheme 1. The multiplexed IPs are: GMAC, Keyboard, MCIF and FSMC. See Section 3.4: Multiplexed signals description for more details. Pad Configure the PAD_FUNCTION_EN_x miscellaneous registers to select between GPIO/XGPIO or shared IPs. GPIO/XGPIO Shared IPs GPIO/XGPIO selected Shared IPsselected Configure the PAD_SHARED_IP_1 miscellaneous register to select between IP pin 1 or IP pin 2. IP pin selected In case of multiplexed IPs (1) , configure the IP-specific miscellaneous registers to select which of the available modes to use. Pad-level multiplexing IP-level multiplexing |
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