uda1321 NXP Semiconductors, uda1321 Datasheet - Page 5

• Manufacturer Part Number: uda1321
• Description: Universal Serial Bus Usb Digital-to-analog Converter Dac
• Manufacturer: NXP Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1998 Oct 06
handbook, full pagewidth
Universal Serial Bus (USB)
Digital-to-Analog Converter (DAC)
GP4/BCKO
GP3/WSO
GP0/BCKI
GP5/WSI
GP2/DO
SHTCB
GP1/DI
VOUTL
XTAL1
XTAL2
V DDX
V SSX
RTCB
TC
FREQUENCY
GENERATOR
OSC
CONTROL
SAMPLE
BLOCK
TEST
TIMING
LEFT
DAC
VARIABLE HOLD REGISTER
ANALOG FRONT-END
UP-SAMPLE FILTERS
Fig.1 Block diagram.
PROCESSING DSP
128f s
USB-PROCESSOR
FIFO REGISTERS
AUDIO FEATURE
64f s
NOISE SHAPER
REFERENCE
DIGITAL I/O
f s
f s
3rd-ORDER
D
VOLTAGE
V ref
5
D
RIGHT
DAC
UDA1321PS
UDA1321H
UDA1321T
CONTROLLER
MICRO-
MGM839
Preliminary specification
VOUTR
SCL
SDA
EA
PSEN
ALE
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
V DDE
V SSE
V SSI
V DDI
V DDO
V SSO
V DDA
V SSA
UDA1321