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COREAI-SN Datasheet(PDF) 9 Page - Actel Corporation |
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COREAI-SN Datasheet(HTML) 9 Page - Actel Corporation |
9 / 25 page CoreAI v2.0 9 CFG_AT9, CFG_AT8, CFG_AT7, CFG_AT6, CFG_AT5, CFG_AT4, CFG_AT3, CFG_AT2, CFG_AT1, CFG_AT0 0 to 1,023 Configure ATx Inputs: Set each of these 10-bit integers to configure the AT9 through AT0 inputs that are connected to the AB macro. The lower 8 bits of each of these 10-bit integers are reserved for generating firmware settings for the target processor used with CoreAI and are ignored by the CoreAI hardware. The upper 2 bits are used to create the settings for each ATx input, shown in Table 7 on page 10. For example, if CFG_AT2 is set to the binary value 0000000000 (decimal 0), the AT2 input will be used as an analog temperature monitor input. If CFG_AT2 is set to the binary value 0100000000 (decimal 256), the AT2 input will be used as a digital input, and the buffered DATOUT2 output would be connected to the user’s own logic. If CFG_AT2 is set to the binary value 1000000000 (decimal 512), the AT2 input will be used as an analog voltage monitor input. If CFG_AT2 is set to the binary value 1100000000 (decimal 768), the AT2 input will be disabled; in this case, the CoreAI AT2 input will not be used and the AT2 input of the AB macro will be hardwired to logic 0 within CoreAI. CFG_GD9, CFG_GD8, CFG_GD7, CFG_GD6, CFG_GD5, CFG_GD4, CFG_GD3, CFG_GD2, CFG_GD1, CFG_GD0 0 to 1,023 Configure Gate Drivers: Set each of these 10-bit integers to configure the GDON9 through GDON0 inputs and the AG9 through AG0 outputs that are connected to the AB macro. The lower 8 bits of each of these 10-bit integers are reserved for generating firmware settings for the target processor used with CoreAI and are ignored by the CoreAI hardware. The upper 2 bits are used to create the settings shown in Table 8 on page 10. For example, if CFG_GD1 is set to the binary value 0000000000 (decimal 0), the AG1 gate-driver output will be controlled by a software-controlled register within CoreAI (ADC Control Register 5). If CFG_GD1 is set to the binary value 0100000000 (decimal 256), the DDGDON1 input (connected to the user’s own logic) will be used to directly control the AG1 gate-driver output. If CFG_GD1 is set to the binary value 1100000000 (decimal 768), the AG1 output will be disabled; in this case, the CoreAI AG1 output will not be used and the GDON1 input of the AB macro will be hardwired to logic 0 within CoreAI. Table 5 • Settings for AVx Inputs CFG_AVx Bit-Position Values ('X' indicates "don’t care") AVx Input Usage 9 876 5 432 1 0 0 0 X X X X X X X X Voltage Monitor (default) 0 1 XX X XXX X X Digital Input 1 0 XX X XXX X X Reserved (unused) 1 1 XX X XXX X X Disabled Table 6 • Settings for ACx Inputs CFG_ACx Bit-Position Values ('X' indicates "don’t care") ACx Input Usage 9 8 7 6 5 4 321 0 0 0 X X X X X X X X Current Monitor (default) 0 1 X X X X X X X X Digital Input 1 0 X X X X X X X X Voltage Monitor 1 1 X X X X XXX X Disabled Table 4 • CoreAI Parameters/Generics Descriptions (Continued) Name Valid Range Description Note: *Invalid values are 3, 7, 11, and 15 (refer to the Fusion datasheet). |
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