
M
Integrated Powerline Digital Transceiver
4
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Pin Description (continued)
BUMP
NAME
FUNCTION
B4
GPIO[3]
General-Purpose Input/Output 3. GPIO[3] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[3] if not used.
B5
USBD+
USB Interface Data Signal (+)
B6
GPIO[21]
General-Purpose Input/Output 21. GPIO[21] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[21] if not used. The MAX2986 MAC uses GPIO[21] for AFE interface
collision LED (output) and boot pin bit 0 (input).
B7
GPIO[18]
General-Purpose Input/Output 18. GPIO[18] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[18] if not used.
B8
GPIO[15]
General-Purpose Input/Output 15. GPIO[15] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[15] if not used.
B9
GPIO[12]
General-Purpose Input/Output 12. GPIO[12] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[12] if not used. The MAX2986 MAC uses GPIO[12] as processor ID, bit 1
(input).
B10
GPIO[10]
General-Purpose Input/Output 10. GPIO[10] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[10] if not used. The MAX2986 MAC uses GPIO[10] as nonvolatile memory
chip-select signal (output) and nonvolatile memory type, bit 1 (input).
B11
GPIO[8]
General-Purpose Input/Output 8. GPIO[8] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[8] if not used. The MAX2986 MAC uses GPIO[8] as nonvolatile memory
serial clock signal (output) and nonvolatile memory type, bit 0 (input).
B12
GPIO[6]
General-Purpose Input/Output 6. GPIO[6] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[6] if not used. The MAX2986 MAC uses GPIO[6] as AFE interface serial
write signal (output) and upper layer interface bit 1 (input).
B13, D1, D11,
D12, D13, E1,
K4, M12
N.C.
No Connection. Must be left unconnected (floating output).
C3
GPIO[1]
General-Purpose Input/Output 1. GPIO[1] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[1] if not used.
C4
GPIO[23]
General-Purpose Input/Output 23. GPIO[23] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[23] if not used. The MAX2986 MAC uses GPIO[23] for AFE interface link
activity LED (output) and boot pin bit 2 (input).
C5
USBD-
USB Interface Data Signal (-)
C6
GPIO[20]
General-Purpose Input/Output 20. GPIO[20] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[20] if not used.
C7
GPIO[19]
General-Purpose Input/Output 19. GPIO[19] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[19] if not used.
C8
GPIO[16]
General-Purpose Input/Output 16. GPIO[16] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[16] if not used.
C9
GPIO[13]
General-Purpose Input/Output 13. GPIO[13] is in tri-state during boot up. Connect a 100k
pullup or
pulldown resistor to GPIO[13] if not used. The MAX2986 MAC uses GPIO[13] as processor ID, bit 2
(input).