Datasheet
MAXQ610
16-Bit Microcontroller with Infrared Module
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Development and Technical
Support
Maxim and third-party suppliers provide a variety of
highly versatile, affordably priced development tools for
this microcontroller, including the following:
• Compilers
• In-circuit emulators
• Integrated Development Environments (IDEs)
• JTAG-to-serial converters for programming and
debugging
A partial list of development tool vendors can be found
at www.maxim-ic.com/MAXQ_tools
.
Technical support is available at https://support.maxim-
ic.com/micro.
THIN QFN
(5mm × 5mm)
TOP VIEW
29
30
28
27
12
11
13
P0.1/RX0
P0.3/RX1
P0.4/TX1
P0.5/TBA0/TBA1
P0.6/TBB0
14
P0.0/IRTXM
N.C.
P1.7/INT7
P1.6/INT6
P2.4/TCK
HXFOUT
HFXIN
12 4567
2324 22 20 19 18
V
DD
GND
REGOUT
GND
P1.3/INT3
P1.2/INT2
P0.2/TX0
GND
3
21
31
10
IRTX
P1.1/INT1
32
9
IRRX
P1.0/INT0
P2.7/TDO
26
15
V
DD
P2.6/TMS
25
16
P1.4/INT4
P0.7/TBB1
P1.5/INT5
8
17
P2.5/TDI
MAXQ610
RESET
*EP
*EXPOSED PAD = GND.
+
THIN QFN
(6mm
× 6mm)
TOP VIEW
35
36
34
33
12
11
13
P3.0/INT8
P3.1/INT9
P0.2/TX0
P0.3/RX1
P0.4/TX1
14
P0.0/IRTXM
P3.4/INT12
P2.0/MOSI
P1.7/INT7
P3.5/INT13
P2.2/SCLK
P2.3/SSEL
P1.6/INT6
HFXOUT
12
P3.7/INT15
4567
27282930 26 24 23 22
P2.6/TMS
P2.7/TDO
V
DD
REGOUT
P3.3/INT11
P3.2/INT10
P0.1/RX0
P2.1/MISO
3
25
37
RESET
P1.3/INT3
38
39
40
V
DD
IRTX
IRRX
P1.2/INT2
P1.1/INT1
P1.0/INT0
P3.6/INT14
32
15
P1.4/INT4
P2.5/TDI
31
16
17
18
19
20
P1.5/INT5
P0.5/TBA0/TBA1
P0.6/TBB0
P0.7/TBB1
HFXIN
8910
21
P2.4/TCK
*EP
*EXPOSED PAD = GND.
MAXQ610
+
Pin Configurations
PART
OPERATING VOLTAGE
(V)
PROGRAM MEMORY
(KB)
DATA MEMORY
(KB)
PIN-PACKAGE
MAXQ610A-0000+ 1.70 to 3.6 64 Flash 2 32 TQFN-EP
MAXQ610B-0000+ 1.70 to 3.6 64 Flash 2 40 TQFN-EP
MAXQ610J-0000+ 1.70 to 3.6 64 Flash 2 44 TQFN-EP
MAXQ610X-0000+ 1.70 to 3.6 64 Flash 2 Bare die
Selector Guide
Note: Contact factory for information about masked ROM devices.










