Datasheet

13Maxim Integrated
16-Bit Microcontrollers with
Infrared Module and Optional USB
MAXQ612/MAXQ622
Pin Descriptions—TQFN, LQFP
Pin Configurations (continued)
PIN
NAME FUNCTION
MAXQ612
TQFN-EP
MAXQ612
LQFP
MAXQ622
LQFP
POWER PINS
13 22 22 V
DD
Supply Voltage
15, 28, 41
8, 24, 35,
63
8, 17, 24,
35, 63
GND Ground
14 23 23 REG18
Regulator Capacitor. This pin must be connected to ground through a
1.0FF external ceramic-chip capacitor. The capacitor must be placed as
close to this pin as possible. No external devices other than the capaci-
tor should be connected to this pin.
58
59
60
61
62
54
55
56
57
63
38394041424344454647
P4.4
P0.1/RX0
N.C. N.C. P1.0/INT0 P2.7/TDO P2.6/TMS P2.5/TDI P2.4/TCK P5.3/SSEL1 P5.2/SCLK1 P5.1/MISO1
52
53
49
50
51
P5.0/MOSI1
N.C.
GND P3.7/INT15 P3.6/INT14
P0.0/IRTXM
P0.3/RX1/SDA
P0.2/TX0
P0.5/TBA0/TBA1
P0.4/TX1/SCL
P0.6/TBB0
GND
P2.0/MOSI0
P0.7/TBB1
P2.2/SCLK0 P2.1/MISO0
RESET
P2.3/SSEL0
DP
P3.4/INT12
P3.3/INT11
P3.2/INT10
P3.1/INT9
P3.0/INT8
HFXOUT
HFXIN
GND
REG18
V
DD
3334353637
V
DDIO
V
DDB
V
BUS
DM
GND
P4.3
P4.2
P4.1
P4.0
P1.7/INT7
IRTX
GND
P4.7
P4.6
P4.5
P1.6/INT6
P1.5/INT5
P1.4/INT4
P1.3/INT3
48
P3.5/INT13P1.2/INT2
64
P1.1/INT1
IRRX
23
22
21
20
19
27
26
25
24
18
29
28
32
31
30
17
11109876543216151413121
LQFP
TOP VIEW
MAXQ622