STA1052 datasheet(8/14 Pages) STMICROELECTRONICS

8 / 14 page

Pin description

STA1052

8/14

SPDL

Spindle motor control signal output -

PDM

Out, 3.3 V, 2 mA

SLED1

SLED motor control signal output1

(stepping/DC) - PDM

Out, 3.3 V, 2 mA

SLED2

SLED motor control signal output2

(stepping) -PDM

Out, 3.3 V, 2 mA

VDD

Core VDD 1.8 V

VDD

VSS

Digital pad ring VSS ground

VSS

VDD3

Digital pad ring VDD3 3.3 V

VDD3

TFSR

Tracking actuator control signal output -

PDM

Out, 3.3 V, 4 mA

CAV

CAV feedback input

in, 3.3 V

LRCK

Serial L/R clock

bidir, 3.3 V, 2 mA

GPA9

GPA9 (I2S1_Tx_SCK (SCK1))

bidir, 3.3 V, 2 mA,

PU (default off)

GPA10

GPA10 (I2S1_Tx_WCK (SC12))

bidir, 3.3 V, 2 mA,

PU (default off)

GPA11

GPA11 (I2S1_Tx_SDO (STD1))

bidir, 3.3 V, mA,

PU (default off)

GPA12

GPA12 (I2S1_ref_CK)

bidir, 3.3 V, 2 mA,

PU (default off)

SDO/SPDIF

Serial bit data or SPDIF Digital output

bidir, 3.3 V, 2 mA

BCLK

Serial bit clock

bidir, 3.3 V, 2 mA

GPA0 (EINT0)

GPIO PA0 (external interrupt 0/timer 0

output 0)

bidir, 3.3 V, 2 mA,

PU (default off)

Not connected

GPA1 (EINT1)

GPIO PA1 (external interrupt 1/timer 0

output 1)

bidir, 3.3 V, 2 mA,

PU (default off)

GPA2 (EINT2)

GPIO PA2 (external interrupt 2/timer 1

output 0)

bidir, 3.3 V, 2 mA,

PU (default off)

GPA3 (EINT3)

GPIO PA3 (external interrupt 3/timer 1

output1 )

bidir, 3.3 V, 2 mA,

PU (default off)

GPA13

GPIO PA13 (SPDIF Rx)

bidir, 3.3 V, 2 mA,

PU (default off)

GPA4 (EINT4)

GPIO PA4 (external interrupt 4)

bidir, 3.3 V, 2 mA,

PU (default off)

GPA5 (EINT5)

GPIO PA5 (external interrupt 5)

bidir, 3.3 , 2 mA,

PU (default off)

Table 2.

Pin List (continued)

N°

Name

Description

Pin type

LQFP144

STA1052 Datasheet(PDF) 8 Page - STMicroelectronics

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