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MAXQ610X-0000 Datasheet(PDF) 10 Page - Maxim Integrated Products |
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MAXQ610X-0000 Datasheet(HTML) 10 Page - Maxim Integrated Products |
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10 / 29 page  16-Bit Microcontroller with Infrared Module 10 ______________________________________________________________________________________ Pin Description (continued) PIN 32 TQFN 40 TQFN 44 TQFN NAME FUNCTION General-Purpose, Digital, I/O, Type-C Port. These port pins function as bidirectional I/O pins. P2.0–P2.3 default to high-impedance mode after a reset. Software must configure these pins after release from reset to remove the high- impedance input condition. All alternate functions must be enabled from software. Enabling the pin’s special function disables the general-purpose I/O on the pin. The JTAG pins (P2.4–P2.7) default to their JTAG function with weak pullups enabled after a reset. The JTAG function can be disabled using the TAP bit in the SC register. P2.7 functions as the JTAG test-data output on reset and defaults to an input with a weak pullup. The output function of the test data is only enabled during the TAP’s Shift_IR or Shift_DR states. 32 TQFN 40 TQFN 44 TQFN PORT SPECIAL FUNCTION — 25 27 P2.0 MOSI — 26 29 P2.1 MISO — 29 32 P2.2 SCLK — 30 33 P2.3 SSEL 24 31 34 P2.4 TCK 25 32 35 P2.5 TDI 26 35 38 P2.6 TMS 24–27 25, 26, 29–32, 35, 36 27, 29, 32–35, 38, 39 P2.0– P2.7; MOSI, MISO, SCLK, SSEL, TCK, TDI, TMS, TDO 27 36 39 P2.7 TDO General-Purpose, Digital, I/O, Type-D Port; External Edge-Selectable Interrupt. These port pins function as bidirectional I/O pins or as interrupts. All port pins default to high-impedance mode after a reset. Software must configure these pins after release from reset to remove the high-impedance input condition. All interrupt functions must be enabled from software. 32 TQFN 40 TQFN 44 TQFN PORT SPECIAL FUNCTION — 2 2 P3.0 INT8 — 4 4 P3.1 INT9 — 15 15 P3.2 INT10 — 16 16 P3.3 INT11 — 27 30 P3.4 INT12 — 28 31 P3.5 INT13 — 33 36 P3.6 INT14 — 2, 4, 15, 16, 27, 28, 33, 34 2, 4, 15, 16, 30, 31, 36, 37 P3.0– P3.7; INT8– INT15 — 34 37 P3.7 INT15 NO CONNECTION PINS 23 — — N.C. No Connection. Reserved for future use. Leave this pin unconnected. |
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