Datasheet
15Maxim 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
GENERAL-PURPOSE I/O AND SPECIAL FUNCTION PINS
44, 1–7 2–7, 9, 10 2–7, 9, 10
P0.0–P0.7;
IRTXM,
RX0, TX0,
RX1, TX1,
SDA, SCL,
TBA0,
TBA1,
TBB0, TBB1
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.
MAXQ612
TQFN-EP
MAXQ612
LQFP
MAXQ622
LQFP
PORT
SPECIAL
FUNCTION
44 2 2 P0.0 IRTXM
1 3 3 P0.1 RX0
2 4 4 P0.2 TX0
3 5 5 P0.3 RX1/SDA
4 6 6 P0.4 TX1/SCL
5 7 7 P0.5 TBA0/TBA1
6 9 9 P0.6 TBB0
7 10 10 P0.7 TBB1
33–40 45, 48–54 45, 48–54
P1.0–P1.7;
INT0–INT7
General-Purpose, Digital, I/O, Type D Port; External Edge-Selectable
Interrupt. These port pins function as bidirectional I/O pins or as inter-
rupts. All port pins default to three-state mode after a reset. All interrupt
functions must be enabled from software.
MAXQ612
TQFN-EP
MAXQ612
LQFP
MAXQ622
LQFP
PORT
SPECIAL
FUNCTION
33 45 45 P1.0 INT0
34 48 48 P1.1 INT1
35 49 49 P1.2 INT2
36 50 50 P1.3 INT3
37 51 51 P1.4 INT4
38 52 52 P1.5 INT5
39 53 53 P1.6 INT6
40 54 54 P1.7 INT7










