Philips UDA1325

1999 May 10 6

Philips Semiconductors Preliminary speciﬁcation

Universal Serial Bus (USB) CODEC UDA1325

PINNING

SYMBOL PIN

QFP64 PIN

SDIP42 I/O DESCRIPTION

GP3/WSO 1 5 I/O general purpose pin 3 or word select output

GP4/BCKO 2 6 I/O general purpose pin4 or bit clock output

P0.5 3 −I/O Port0.5 of the microcontroller

SHTCB 4 7 I shift clock of the test control block (active HIGH)

P0.6 5 −I/O Port0.6 of the microcontroller

D−6 8 I/O negative data line of the differential data bus, conforms to the USB

standard

P0.7 7 −I/O Port0.7 of the microcontroller

D+ 8 9 I/O positive data line of the differential data bus, conforms to the USB

standard

VDDI 910−digital supply voltage for core

VSSI 10 11 −digital ground for core

VSSE 11 12 −digital ground for I/O pads

VDDE 12 13 −digital supply voltage for I/O pads

GP1/DI 13 14 I/O general purpose pin 1 or data input

P2.0 14 −I/O Port2.0 of the microcontroller

GP5/WSI 15 15 I/O general purpose pin 5 or word select input

P2.1 16 −I/O Port2.1 of the microcontroller

GP0/BCKI 17 16 I/O general purpose pin0 or bit clock input

P2.2 18 −I/O Port2.2 of the microcontroller

SCL 19 17 I/O serial clock line I2C-bus

P2.3 20 −I/O Port2.3 of the microcontroller

SDA 21 18 I/O serial data line I2C-bus

P2.4 22 −I/O Port2.4 of the microcontroller

P2.5 23 −I/O Port2.5 of the microcontroller

VSSX 24 19 −crystal oscillator ground (48 MHz)

XTAL1b 25 20 I crystal input (analog; 48 MHz)

XTAL2b 26 21 O crystal output (analog; 48 MHz)

CLK 27 −O 48 MHz clock output signal

VDDX 28 22 −supply crystal oscillator (48 MHz)

P2.6 29 −I/O Port2.6 of the microcontroller

P2.7 30 −I/O Port2.7 of the microcontroller

PSEN 31 −I/O program store enable (active LOW)

VDDO 32 23 −supply voltage for operational ampliﬁer

VSSO 33 24 −operational ampliﬁer ground

VOUTL 34 25 O voltage output left channel

TC 35 26 I test control input (active HIGH)

RTCB 36 27 I asynchronous reset input of the test control block (active HIGH)

VOUTR 37 28 O voltage output right channel