AM261...ZCZQ1 datasheet(71/218 Pages) TI2

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5.3.17 Power Supply

Table 5-44. Power Supply Signal Descriptions

Signal Name [1]

Type

[2]

Description [3]

ZCZ PIN [4]

ZFG PIN [4]

ZEJ PIN [4]

ZNC PIN [4]

VDD

Power 1.2V/1.25V Core supply(1)

E11, E9, F11,

F9, G13, G14,

G5, G6, K13,

K14, K5, K6,

N13, N14, N5,

F12, F14, F7,

F9, G15, G6,

J15, J6, M15,

M6, P15, P6,

E11, E5, E7,

E9, F12, G5,

H12, J5, K12,

L5, M12, M6

E10, E12,

E14, E6, E8,

F15, F5, H15,

H5, K15, K5,

M15, M5,

P15, P5, R15,

R6, T6

VDDA18_LDO (4)

Power 1.8V Analog Output

R11, R6, R8

U10, U11

VDDA18_OSC_PLL

Power 1.8V PLL supply

VDDA18_USB

Power USB 1.8V analog supply

VDDA33

Power 3.3V analog supply

P11, P7, P9

T12, T9

M10, M8

T10, T12

VDDA33_USB

Power USB 3.3V analog supply

R15

VDDAR2

Power SRAM Array supply

D10

D13

D10

C11

VDDAR3

Power SRAM Array supply

VDDS18

Power 1.8V IO supply

D6, E15, L4,

N15

E14, E9, F4,

G16, L17, N4,

T16

D12, D6, D9,

E4, G13, K13,

K4, N13

D10, D14, D6,

H16, H4, L3,

M16, T16

VDDS18_LDO (2) (3)

Power 1.8V Digital LDO Output

VDDS1833_FLASH0

Power 1.8V/3.3V Flash 0 IO Supply

H4, J4

K4, M4

VDDS1833_FLASH1

Power 1.8V/3.3V Flash 1 IO Supply

P16

M13

P16

VDDS1833_FLASH0-SIP

Power

1.8V/3.3V SIP Flash Supply.

This must be shorted to

VDDSHV_D(VDDS1833_FLASH0)

on board. Will be used for Flash

supply in future Flash SIP packages.

F1, J1

VDDS33

Power 3.3V IO supply

D12, H15, H4,

L15, P4, R15

E12, E16, E7,

G5, J16, M16,

M5, T14, T7

D11, D4, D7,

F13, J13, L4,

N12, N5

C15, D12, D8,

F16, F4, K16,

P4, T14, U5

VDD_TEMP

Power VDD Temp

VNWA

Power 1.2V/1.25V N-well bias(1)

J16

K17

H13

J17

VPP

Power eFuse ROM programming supply

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AM2612, AM2611, AM2611-Q1, AM2612-Q1

SPRSPA7C – SEPTEMBER 2024 – REVISED JULY 2025

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AM261...ZCZQ1 Datasheet(PDF) 71 Page - Texas Instruments

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