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CDB5461 数据表(PDF) 6 Page - Cirrus Logic

部件名 CDB5461
功能描述  Evaluation Board and Software
Download  27 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

CDB5461 数据表(HTML) 6 Page - Cirrus Logic

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CDB5461
6
Name
Function Description
Default Setting
Default Jumpers
J13
Sets VIN+ on the CS5461 to J6 or GND.
VIN+ Set to BNC J6
J14
Sets VIN- on the CS5461 to J7 or GND.
VIN- Set to BNC J7
J11
Used to switch VA-, A-, and GND. Refer toTable 2
on page 5
Negative Analog
Power Supply Set to
0V
J18
Used to switch the VREFIN from external J26
header, to the on board LT1019 reference, or to
theCS5461 on-chip reference VREFOUT.
VREFIN Set to on-
chip reference
VREFOUT
J12
Used to switch VU+, VD+, and VA+ to VDDD and/or
D+. Refer to Table 2 on page 5
Digital Power Supply
Set to +5V
J19
Used to connect an external micro-controller.
Connected to 8051
NC
J17
Used in conjunction with the self test modes to test
the UART/RS-232 communication link between the
microcontroller and a PC.
RS-232 Set to Normal
Mode
J15
Sets IIN- on the CS5461 to J8 or GND.
IIN- Set to BNC J8
J16
Sets IIN+ on the CS5461 to J9 or GND.
IIN+ Set to BNC J9
J23
Used to switch XIN on the CS5461 to J19 when an
external micro-controller is used.
XIN Set for on-board
4.096 MHz XTAL
JP2
Used to connect PFMON pin on the CS5461 to
monitor Power Supply VA+
PFMON Set Monitor
VA+
J24
Used to connect the RESET Button to the CS5461
RESET Set con-
nected to CS5461
J25
Used to connect the RESET Button to the 8051
RESET Set con-
nected to 8051
S1
DIP switch to control 8051 (See Table 4)
S1-1 is used to enable auto-boot mode
S1-2 is used to select crystal to 8051
S1-3 is used to select RS-232 test mode
S1-1 Auto-Boot off
S1-2 Set 20 MHz
S1-3 Set Normal
J29
Enables the D1 LEDs
Enable LEDs
J21
Allows LEDs D7 and D6 to indicate pulses on
/EOUT and /EDIR.
Disable LEDs
J22
Allows LEDs D2 and D3 to indicate pulses on
/FOUT.
Disable LEDs
J27
Allows LEDs D8 to indicate pulses on /INT.
Disable LED
J10
Used to disconnect XTAL1 input on microcontroller
from off-board oscillator input.
Use on-board crystal
Table 3. Header, Jumper, and DIP Switch Descriptions
O
O VIN+
O
O GND
O
O VIN-
O
O GND
O
O GND
O
O GND
VA-
A-
O O LT1019
O O REF+
O O REFOUT
O
O VDDD
O
O VDDD
O
O D+
O
O D+
Vu+
VD+
VD+
VA+
O
O
O
O
O
O IIN-
O
O GND
O
O IIN+
O
O GND
O
O GND
O
O XIN
O
O JP2
O
O J24
O
O J25
1
23
OPEN
O
O J29
O
O J21
O
O J22
O
O J27
O
O J10


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