Cypress CY4603, Руководство пользователя, Страница: 22 / 94

22 HX3 Kits User Guide, Doc. #: 001-91203 Rev. *D
Kit Operation
Figure 3-8. CY4613 Board (Bottom Side)
3.3.2 Jumper Settings
Table 3-3 shows the default jumper settings for CY4613.
Figure 3-9 shows the location of jumper pins 1, 2, and 3 for the horizontal and vertical jumper blocks
on the CY4613 board. Pin 1 is marked on the board.
Table 3-3. CY4613 Default Jumper Settings
Function Jumper Block Default Setting Purpose
Pin strap
3-pin jumper blocks (J2, J3,
J4, J8, J9, J11, J12, J13, J15,
J16, J17, J18, J19)
4-pin jumper blocks (J7, J10)
3-pin jumper blocks: Pins
2 and 3 shorted
4-pin jumper blocks: Pins
2 and 4 shorted
Note that pin strap features are
not supported in the current
CY4613 board.
Current
measure-
ment
2-pin jumper block (J20) Pins 1 and 2 shorted
For current measurement, open
the jumper and connect a multi-
meter's terminals (set in current
measurement mode) between
pins 1 and 2. The measured cur-
rent includes the current con-
sumed by HX3, 3.3-V to 1.2-V
regulator, and the SUSP LED.
Configura-
tion mode
selection
3-pin jumper blocks (J5 J6)
J5: Pins 1 and 2 shorted
J6: Pins 2 and 3 shorted
In this setting, HX3 boots from the
custom firmware stored in the
onboard I
2
C EEPROM. This is the
default factory setting.
ACA-Dock
3-pin jumper block (J28)
2-pin jumper blocks (J26 J27)
J28: Pins 1 and 2 shorted
J26, J27: Open
The default jumper settings dis-
able the ACA-Dock feature. To
enable this feature on this kit, see
3.4.7 ACA-Dock Feature on
CY4613 on page 36
.
I
2
C header
4-pin jumper block (J23) Open
The I
2
C header can be used to
connect the HX3 to external I
2
C
based master/slave devices.
Power Switch
ICs (U8, U14,
U17, U26)
5-V to 3.3-V
Regulator (U25)
3.3-V to 1.2-V
Regulator (U24)
RID Resistor
(R25)