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参数资料
| 型号： | MAX19700EVKIT |
| 厂商： | Maxim Integrated |
| 文件页数： | 9/18页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX19700 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 编码器，解码器 |
| 适用于相关产品： | MAX19700 |
| 已供物品： | 板 |
MAX19700 Evaluation Kit/Evaluation System
Reference
The MAX19700 features two reference operation
Table 5. Digital Data Bit Locations
modes. The EV kit can be configured to use either the
SIGNAL LOCATION
TYPE
DESCRIPTION
MAX19700 internal (1.024V) reference or an external
user-supplied reference applied at the REFIN pad. The
MAX19700 generates the REFP and REFN voltages
from the selected reference voltage (refer to the
MAX19700 data sheet for more details). Measure the
REFP and REFN voltages at TP1 and TP2, respectively.
Jumper JU4 controls the reference mode. See Table 3
for jumper configuration.
Table 3. Reference Shunt Settings (JU4)
D0
D1
D2
D3
D4
D5
D6
D7
D8
J11-37
J11-35
J11-33
J11-31
J11-29
J11-27
J11-25
J11-23
J11-21
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Data Bit 0 (LSB)
Data Bit 1
Data Bit 2
Data Bit 3
Data Bit 4
Data Bit 5
Data Bit 6
Data Bit 7
Data Bit 8
SHUNT POSITION
Installed*
Not installed
DESCRIPTION
Internal reference mode
External reference mode — apply an
external reference voltage to the REFIN
pad
D9
SHDN
Tx/ Rx
DR
CLK
J11-19
J11-13
J11-9
J11-3
J11-1
I/O
I/O**
I/O**
Output
Output
Data Bit 9 (MSB)
Shutdown Status**
Transmit/Receive Status**
Data-Ready Signal
Incoming Clock Signal
* Default configuration: JU4 (installed).
Digital Data Header
The MAX19700 features one 10-bit parallel, bidirection-
al data bus that transmits/receives the converted ana-
log signals. Refer to the MAX19700 data sheet for more
details.
Digital Data Direction
The MAX19700 EV kit features an on-board, bidirection-
al, level-translating buffer in the parallel digital data
path. Jumper JU3 controls the direction of the data
bus. See Table 4 for jumper configuration.
Table 4. Output Format Shunt Settings
(JU3)
** SHDN and Tx/ Rx default to outputs, but can be configured to
inputs. See the Configuring for ASIC/FPGA Connection section
in this document.
Note: All signal directions are with respect to the EV kit. Pins 5,
7, 11, 15, 17, 39, and 40 of J11 are open. All other pins are
connected to DGND.
Configuring for ASIC/FPGA Connection
The MAX19700 EV kit is designed to be connected to
an ASIC or FPGA. To complete this connection, follow
the list of instructions below:
1) Remove the shunt from jumper JU2.
2) Remove the shunt from jumper JU3.
3) Connect ASIC/FPGA to header J11 (see the Digital
Data Bit Locations section in this document for
SHUNT POSITION
1-2
2-3*
DESCRIPTION
Transmit path enabled; D0 – D9 are
inputs
Receive path enabled; D0 – D9 are
outputs
header connections).
4) Ensure that the voltage at BVCC matches the
ASIC/FPGA I/O voltage.
The ASIC/FPGA must control all signals connected to
the MAX19700, including SHDN and Tx/ Rx .
* Default configuration: JU3 (2-3).
Digital Data Bit Locations
A driver (U2) buffers the digital I/Os of the MAX19700.
This driver is able to drive large capacitive loads, which
may be present at the logic analyzer connection. The
outputs of the buffer are connected to a 40-pin header
(J11). See Table 5 for bit locations on header J11.
_______________________________________________________________________________________
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