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©2019 Integrated Device Technology, Inc.
June 17, 2019
VersaClock
®
6E – 5P49V6965 and 5P49V6975 Programmer Board User Guide
Connecting the Board to a Computer
The programmer board can be plugged into a USB port of a personal computer directly, or, a USB extension cable can be used if that is
more convenient. The on-board USB-to-I2C bridge (FTDI chip) does the data communication and the +5V in the USB bus powers the
on-board regulator. The board can fully function with just the USB connection to a computer.
JP 14 and JP16 Functionality
JP14 and JP16 have multiple functions. The center pin of JP14 connects to the SEL1/SDA pin on the 5P49V6965/6975 and the center pin
of JP16 connects to the SEL0/SCL pin on the 5P49V6965/6975.
Figure 2. JP14 and JP16 Jumpers
The bottom pins connect to the FTDI USB-to-I2C bridge. To use Timing Commander to communicate to the chip, jumpers need to be
placed between the center and bottom pins as in
.
Table 1. 5P49V6965/5P49V6975 Programmer Board Pins and Functions
Label Number
Name
On-board Connector Label
Function
1
USB
J4
USB connector.
2
I2C / SEL
JP14, JP16
Jumpers to connect I2C or control SEL0/1.
3
OE / CLKSEL
JP12, JP13
Jumpers to control OE and CLKSEL.
4
Ref Clock Input
J1
SMA to connect alternative Ref Clock.
5
Input Clock Select
JP17
Select between on-board 25MHz crystal and alternative
Ref Clock.
6
Output 0
JP5
Differential input clock, Sens output.
7
Operation Mode
JP1
Jumper to select I2C or Hardware Select Mode.
8
VDDO0
JP2
Optional VDD for output 0.
9
DUT Socket
U4
Socket for 5P49V6965/6975. Pin 1 is lower left.
10
Output 1 Diff
J2, J3
Optional output 1 differential connection.
11
Outputs 1, 2, 3, 4
J7, J9, J10, J11
2 × 2 pin probe points for outputs 1, 2, 3 and 4.
12
VDDO1, 2, 3, 4
JP3, JP4, JP6, JP8
Optional VDD for outputs 1, 2, 3 and 4.
13
Ground
—
Ground reference for general purpose.