AM1808_11 Datasheet, PDF (56/262 Pages) Texas Instruments – AM1808 ARM Microprocessor

AM1808
SPRS653C – FEBRUARY 2010 – REVISED DECEMBER 2011
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2.7.27 Supply and Ground
Table 2-29. Supply and Ground Terminal Functions
SIGNAL
NAME
TYPE ⁽¹⁾
NO.
DESCRIPTION
CVDD (Core supply)
E15, G7, G8,
G13, H6, H7,
H10, H11,
H12, H13, J6,
J12, K6, K12,
L12, M8, M9,
N8
PWR Variable (1.2V - 1.0V) core supply voltage pins
RVDD (Internal RAM supply)
E5, H14, N7
PWR 1.2V internal ram supply voltage pins
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
N10, P10, N9,
P9, R9, P8,
R8, P7, R7, N6
PWR
DDR PHY 1.8V power supply pins
(1) PWR = Supply voltage, GND - Ground.
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