68
TMS320C6748
SPRS590G – JUNE 2009 – REVISED JANUARY 2017
www.ti.com
Submit Documentation Feedback
Product Folder Links:
TMS320C6748
Device Comparison
Copyright © 2009–2017, Texas Instruments Incorporated
(1)
PWR = Supply voltage, GND - Ground.
3.7.27 Supply and Ground
Table 3-31. Supply and Ground Terminal Functions
SIGNAL
TYPE
(1)
DESCRIPTION
NAME
NO.
CVDD
(Core supply)
E15, G7, G8,
G13, H6, H7,
H10, H11,
H12, H13, J6,
J12, K6, K12,
L12, M8, M9,
N8
PWR
Variable (1.3V - 1.0V) core supply voltage pins
RVDD
(Internal RAM supply)
E5, H14, N7
PWR
1.3V internal ram supply voltage pins (for 456 MHz versions)
1.2V internal ram supply voltage pins (for 375 MHz versions)
DVDD18
(I/O supply)
F14, G6, G10,
G11, G12,
J13, K5, L6,
P13, R13
PWR
1.8V I/O supply voltage pins. DVDD18 must be powered even if all of
the DVDD3318_x supplies are operated at 3.3V.
DVDD3318_A
(I/O supply)
F5, F15, G5,
G14, G15, H5
PWR
1.8V or 3.3-V dual-voltage LVCMOS I/O supply voltage pins, Group A
DVDD3318_B
(I/O supply)
E14, F6, F7,
F8, F10, F11,
F12, F13, G9,
J14, K15
PWR
1.8V or 3.3-V dual-voltage LVCMOS I/O supply voltage pins, Group B
DVDD3318_C
(I/O supply)
J5, K13, L4,
L13, M13,
N13, P5, P6,
P12, R4
PWR
1.8V or 3.3-V dual-voltage LVCMOS I/O supply voltage pins, Group C
VSS
(Ground)
A19, H8, H9,
H15, J7, J8,
J9, J10, J11,
K7, K8, K9,
K10, K11, L5,
L7, L8, L9,
L10, L11, M4,
M5, M6, M7,
M10, M11, N5,
N11, N12, P11
GND
Ground pins.
USB0_VDDA33
N18
PWR
USB0 PHY 3.3-V supply
USB0_VDDA18
N14
PWR
USB0 PHY 1.8-V supply input
USB0_VDDA12
N17
A
USB0 PHY 1.2-V LDO output for bypass cap
USB_CVDD
M12
PWR
USB0 core logic 1.2-V supply input
USB1_VDDA33
P15
PWR
USB1 PHY 3.3-V supply
USB1_VDDA18
P14
PWR
USB1 PHY 1.8-V supply
SATA_VDD
M2, N4, P1,
P2
PWR
SATA PHY 1.2V logic supply
SATA_VSS
H1, H2, K1,
K2, L3, M1
GND
SATA PHY ground reference
DDR_DVDD18
N6, N9, N10,
P7, P8, P9,
P10, R7, R8,
R9
PWR
DDR PHY 1.8V power supply pins