SPRAC31
February 2019
TMS320C5505
,
TMS320C5515
,
TMS320C5535
TMS320C5505/15/35/45 schematic checklist
Trademarks
1
Introduction
1.1
Device Applicability
1.2
Links to TI Hardware Designs Based on C5505/15/35/45
1.2.1
C5505 eZdsp
1.2.2
C5515 eZdsp
1.2.3
C5515 EVM
1.2.4
C5535 eZdsp
1.2.5
C5535 Audio Capacitive Touch BoosterPack
1.2.6
C5545 BoosterPack (BOOST5545ULP)
1.3
EVM vs Data Sheet
2
Complimentary Resources
3
Recommendations Specific to C5504/05/14/15/32/33/34/35/45
3.1
Before You Begin
3.1.1
Documentation
3.1.2
Pin Out
3.2
Unused Pins
3.3
Unused Power Rails
3.3.1
If USB is not Used
3.3.2
If RTC is not Used
3.3.3
If EMIF is not Used (not applicable to C5532/33/34/35 or C5545)
3.3.4
If an On-Chip LDO Output is not Used
3.4
Clocking
3.5
OSC Internal Oscillator Clock Source
3.6
Power
3.6.1
CVDDRTC Must be Always Supplied - [0.998 V - 1.43 V]
3.6.2
LDOI Must be Always Supplied
3.6.3
On-Chip LDOs
3.6.4
Recommended PMIC
3.6.5
DVDDIO Supply ON While CVDD OFF
3.6.6
Power Sequencing
3.6.7
Voltage Rails of IO Pins
3.7
Decoupling Capacitors
3.8
LDO Output Decoupling Capacitors
3.9
Digital GND, Analog GND, Local GND
3.9.1
Recommended USB Supplies
3.10
Reset
3.11
USB
3.12
I2C
3.13
I2S
3.14
RTC
3.15
SAR ADC
3.16
Pin Muxing
3.17
Signal Visibility
3.18
EMIF (not applicable to C5532/33/34/35 or C5545)
3.19
JTAG
3.20
Bootloader
4
References
3.9
Digital GND, Analog GND, Local GND
Digital GNDs: VSS, USB_VSS1P3, USB_VSSOSC
Analog GNDs: VSSA_PLL, USB_VSSPLL, USB_VSSA1P3, USB_VSSA3P3
Local GNDs:
Must not connect local GND to the board ground unless otherwise stated (USB not used, see
If USB is not used
)
VSSRTC - Local ground for RTC oscillator (must not be connected to the board ground)
USB_VSSREF - Local ground for USB_R1 through resistor (must not be connected to the board ground). For more information, see
Section 3.11
.