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MAX16068 数据表(PDF) 13 Page - Maxim Integrated Products |
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MAX16068 数据表(HTML) 13 Page - Maxim Integrated Products |
13 / 40 page ______________________________________________________________________________________ 13 6-Channel, Flash-Configurable System Manager with Nonvolatile Fault Registers General-Purpose Inputs/Outputs GPIO1–GPIO6 are programmable general-purpose inputs/outputs. GPIO1–GPIO6 are configurable as a manual reset input, a watchdog timer input and output, logic inputs/outputs, and fault-dependent outputs. When programmed as outputs, GPIO_s are open-drain or push-pull. See Tables 5 and 6 for more detailed informa- tion on configuring GPIO1–GPIO6. When GPIO1–GPIO6 are configured as general-pur- pose inputs/outputs, read values from the GPIO_ ports through r1Eh and write values to GPIO_s through r3Eh. Note that r3Eh has a corresponding flash register, which programs the default state of a general-purpose output. See Table 7 for more information on reading and writing to the GPIO_. Table 5. GPIO_ Configuration Registers Table 6. GPIO_ Function Configuration Bits Table 7. GPIO_ State Registers REGISTER ADDRESS FLASH ADDRESS BIT RANGE DESCRIPTION 3Fh 23Fh [1:0] GPIO1 configuration [3:2] GPIO2 configuration [5:4] GPIO3 configuration [7:6] GPIO4 configuration 40h 240h [1:0] GPIO5 configuration [3:2] GPIO6 configuration [4] ARAEN bit [7:5] Not used GPIO1 GPIO2 GPIO3 GPIO4 GPIO5 GPIO6 00 Logic input Logic input Logic input Logic input Logic input Logic input 01 Logic output (push-pull) Logic output (push-pull) Logic output (push-pull) Logic output (push-pull) Logic output (push-pull) Logic output (push-pull) 10 Logic output (open drain) Logic output (open drain) Logic output (open drain) Logic output (open drain) Logic output (open drain) Logic output (open drain) 11 ALERT (open drain) FAULT (open drain) MR input WDI WDO (open drain) EXTFAULT (open drain) REGISTER ADDRESS FLASH ADDRESS BIT RANGE DESCRIPTION 1Eh — [0] GPIO1 input state [1] GPIO2 input state [2] GPIO3 input state [3] GPIO4 input state [4] GPIO5 input state [5] GPIO6 input state [7:6] Not used 3Eh 23Eh [0] GPIO1 output state [1] GPIO2 output state [2] GPIO3 output state [3] GPIO4 output state [4] GPIO5 output state [5] GPIO6 output state [7:6] Not used |
类似零件编号 - MAX16068 |
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类似说明 - MAX16068 |
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