Datasheet

17Maxim Integrated
16-Bit Microcontrollers with
Infrared Module and Optional USB
MAXQ612/MAXQ622
Pin Descriptions—TQFN, LQFP (continued)
PIN
NAME FUNCTION
MAXQ612
TQFN-EP
MAXQ612
LQFP
MAXQ622
LQFP
— 55-62 55–62 P4.0–P4.7
General-Purpose, Digital, I/O, Type C Port. These port pins function as
bidirectional I/O pins. All port pins default to three-state mode after a
reset.
MAXQ612
TQFN-EP
MAXQ612
LQFP
MAXQ622
LQFP
PORT
SPECIAL
FUNCTION
— 55 55 P4.0 —
— 56 56 P4.1 —
— 57 57 P4.2 —
— 58 58 P4.3 —
— 59 59 P4.4 —
— 60 60 P4.5 —
— 61 61 P4.6 —
— 62 62 P4.7 —
— 37–40 37–40
P5.0–P5.3;
MOSI1,
MISO1,
SCLK1,
SSEL1
General-Purpose, Digital, I/O, Type C Port. These port pins function as
bidirectional I/O pins. All port pins default to three-state mode after a
reset. All alternate functions must be enabled from software. Enabling
the pin’s special function disables the general-purpose I/O on the pin.
MAXQ612
TQFN-EP
MAXQ612
LQFP
MAXQ622
LQFP
PORT
SPECIAL
FUNCTION
— 37 37 P5.0 MOSI1
— 38 38 P5.1 MISO1
— 39 39 P5.2 SCLK1
— 40 40 P5.3
SSEL1
NO CONNECTION PINS
26, 27
16–21, 36,
46, 47
36, 46, 47 N.C. No Connection. Reserved for future use. Leave these pins unconnected.
EXPOSED PAD
— — — EP Exposed Pad (TQFN Only). Connect EP to the ground plane.