CMAXQUSB+ Maxim Integrated Products, CMAXQUSB+ Datasheet - Page 6

• Manufacturer Part Number: CMAXQUSB+
• Description: MODULE COMMAND SMBUS/I2C
• Manufacturer: Maxim Integrated Products

Specifications of CMAXQUSB+

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

CMAXQUSB User’s Guide
Connector P5 is used during factory test to program the
firmware into the MAXQ2000. This connector pinout is
identical to the MAXQ2000 EV kit, MAXQ2000-KIT. See
Table 3.
Table 2. Connector P4 Description (continued)
* This +12V signal is provided only for legacy systems and is normally unpowered.
Table 3. Connector P5 Description
6
P5 PIN
2, 10
P4 PIN
Connector P5: JTAG Debug/Programming
1
3
4
5
6
7
8
9
_______________________________________________________________________________________
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
VDDIO
RESET
LABEL
GND
TDO
TCK
TMS
KEY
+5V
TDI
LABEL
SCLK
MISO
MOSI
OW
D1
D2
D3
D4
D5
D6
D7
K1
K2
K3
K4
K5
K6
K7
K8
CS
—
TCK to MAXQ2000 Test Access Port (P4.0)
Ground Return
TDO to MAXQ2000 Test Access Port (P4.3)
MAXQ2000 VDDIO Power Supply
TMS to MAXQ2000 Test Access Port (P4.2)
Active-High Reset to MAXQ2000
No Connection. Pin is physically removed.
Optional +5V Connection
TDI from MAXQ2000 Test Access Port
GPIO DESIGNATOR
K2 when K0 = 1
K3 when K0 = 1
K4 when K0 = 1
K5 when K0 = 1
K6 when K0 = 1
K7 when K0 = 1
K8 when K0 = 1
FUNCTION
K11
K12
K10
K15
K1
K2
K3
K4
K5
K6
K7
K8
K9
—
Interface
Memory Data
Memory Data
Memory Data
Memory Data
Memory Data
Memory Data
Memory Data MSB
General-Purpose I/O
General-Purpose I/O
General-Purpose I/O
General-Purpose I/O
General-Purpose I/O
General-Purpose I/O
General-Purpose I/O
General-Purpose I/O
SPI Master-In, Slave-Out (MISO) Data
SPI Master-Out, Slave-In (MOSI) Data
SPI Clock
SPI Chip Select. Configurable active high or active low.
General-Purpose I/O, Maxim 1-Wire Bus
No Connection
Although there are currently no mating EV kits that use
this feature, the MAXQ2000’s 1-Wire interface signal
connects to header P6. See Table 4.
Table 4. Connector P6 Description
P6 PIN
1
2
3
Connector P6: Maxim 1-Wire Interface
LABEL
GND
VDD
OW
FUNCTION
VDD Power Supply
Maxim 1-Wire Interface, Through Level
Translator U6
Ground Return
FUNCTION