Datasheet
Maxim Integrated
│
15
www.maximintegrated.com
MAXQ610 Evaluation Kit
Evaluates: MAXQ610
Figure 16a. MAXQ610 EV Kit Board Schematic—MAXQ, IR, RS-232 (Sheet 1 of 2)
POWER OPTIONS
ONBOARD REGULATOR / EXTERNAL 2 x AA CELL
Port Access
Ceramic Resonator
(Crystal Optional)
Broadband IR Rx
Low Cost IR Tx
RS-232 Serial
IRRX
IRTX
P24
P27
P26
P25
RST_N
P14
P15
P10
P11
P12
P13
P32
P33
DUT_VDD
IRTX
IRRX
P00
P01 RXD0
P30
P31
P02 TXD0
P03 RXD1
P04 TXD1
P05
P06
P07 ENRX_N
P23
P22
P35
P34
P21
P20
P17
P16
P24
P25
P36
P37
P26
P27
RST_N
ENRX_N
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P20
P21
P22
P23
P24
P25
P26
P27
P30
P31
P32
P33
P34
P35
P36
P37
RXD0
RXD1
TXD1
TXD0
P34
P35
P36
DUT_VDD
REG18
VDD
VDD
VDD
VDD
V50
VDD
VDD
VDD
VDD
VDD
P20
P05
P10
P11
P12
P13
P14
P15
P16
P17
P30
P31
P32
P33
D4
1SMC5.0AT3G
5V CKT, 6.4V CLAMP
D4
1SMC5.0AT3G
5V CKT, 6.4V CLAMP
JH5
PWR
JH5
PWR
1
2
3
C7
1.0µF
C7
1.0µF
JH17 ENRXJH17 ENRX
C15
2.2µF
C15
2.2µF
JH20 RXD0JH20 RXD0
JH16 IRRXJH16 IRRX
TP3
GND
TP3
GND
1
C1
100nF
C1
100nF
C4
open
C4
open
R6
1.0M
R6
1.0M
U2
MAX8887EZK33+
U2
MAX8887EZK33+
IN
1
GND
2
SHDN
3
BP
4
OUT
5
C8
100nF
C8
100nF
R1
82
R1
82
R2
3.32K
R2
3.32K
JH15 IRTXJH15 IRTX
C16
10nF
C16
10nF
JH1
F_ON
JH1
F_ON
1
2
3
R5
1.0M
R5
1.0M
JH2
F_OFF
JH2
F_OFF
1
2
3
C3
open
C3
open
C13
4.7uF
10V
C13
4.7uF
10V
C14
2.2µF
C14
2.2µF
TP4
GND
TP4
GND
1
JH4
TXD1
JH4
TXD1
1
2
3
SW1
B3FS-1000
RESET
SW1
B3FS-1000
RESET
12
34
D2
ASDL5270
D2
ASDL5270
TP6
VDD
TP6
VDD
1
JH26 JTAG_PWRJH26 JTAG_PWR
U1
MAX3218CAP+
U1
MAX3218CAP+
LX
1
INVALID
2
FORCEON
3
FORCEOFF
4
GND
5
VCC
6
T1IN
7
T2IN
8
R1OUT
9
R2OUT
10
R2IN
11
R1IN
12
T2OUT
13
T1OUT
14
V-
15
C1-
16
GND
17
C1+
18
V+
19
GND
20
D3
1N5817
D3
1N5817
J2
DB9Female
J2
DB9Female
5
9
4
8
3
7
2
6
1
JH18 INVALIDJH18 INVALID
TP5
GND
TP5
GND
1
C9
1.0µF
C9
1.0µF
TP2
GND
TP2
GND
1
P5
JTAG
P5
JTAG
TCK
1
GND
2
TDO
3
VREF
4
TMS
5
nRST
6
KEY
7
VCC5
8
TDI
9
GND
10
P2
PORT 1
P2
PORT 1
1
2
3
4
5
6
7
8
C10 470nFC10 470nF
P1
PORT 0
P1
PORT 0
1
2
3
4
5
6
7
8
+
-
-
J3
PJ-102B
5.0V DC ±5%, 2.5MM
+
-
-
J3
PJ-102B
5.0V DC ±5%, 2.5MM
1
2
3
C11
100nF
C11
100nF
R4
1.0
R4
1.0
Y1
12MHz
Y1
12MHz
1
2
3
Q1
2N3904
Q1
2N3904
C20
open
C20
open
C6
1.0µF
C6
1.0µF
L1 15uHL1 15uH
C12
1.0µF
C12
1.0µF
P4
PORT 3
P4
PORT 3
1
2
3
4
5
6
7
8
F1 0.5AF1 0.5A
JH3
TXD0
JH3
TXD0
1
2
3
U4
MAXQ610B
U4
MAXQ610B
P00
1
P01
3
P30
2
P31
4
P02
5
P03
6
P04
7
P05
8
P06
9
P07
10
P10
11
P11
12
P12
13
P13
14
P32
15
P33
16
REGOUT
17
VDD
18
P14
19
P15
20
IRRX
40
IRTX
39
VDD
38
RESET
37
P27
36
P26
35
P37
34
P36
33
P25
32
P24
31
P23
30
P22
29
P35
28
P34
27
P21
26
P20
25
P17
24
P16
23
HFXOUT
22
HFXIN
21
GND
41
C2
100nF
C2
100nF
JH21 RXD1JH21 RXD1
TP1
REG18
TP1
REG18
1
JH14 DUT_VDDJH14 DUT_VDD
R3
10K
R3
10K
P3
PORT 2
P3
PORT 2
1
2
3
4
5
6
7
8
J1
DB9Female
J1
DB9Female
5
9
4
8
3
7
2
6
1
D1
HSDL4261
D1
HSDL4261
C5
100nF
C5
100nF