uda1325 NXP Semiconductors, uda1325 Datasheet - Page 5

• Manufacturer Part Number: uda1325
• Description: Universal Serial Bus Usb Codec
• Manufacturer: NXP Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
1999 May 10
handbook, full pagewidth
Universal Serial Bus (USB) CODEC
The pin numbers given in parenthesis refer to the SDIP42 version.
GP4/BCKO
GP3/WSO
GP0/BCKI
GP5/WSI
GP2/DO
XTAL2b
XTAL1b
XTAL2a
XTAL1a
V DDA3
V SSA3
GP1/DI
V DDX
V SSX
PSEN
VINR
VINL
BCK
VRN
VRP
ALE
WS
DA
EA
24 (19)
25 (20)
26 (21)
28 (22)
52 (39)
53 (40)
54 (41)
55 (42)
63 (4)
1 (5)
2 (6)
13 (14)
17 (16)
15 (15)
31
57 (1)
59 (2)
61 (3)
48
50
43 (34)
47 (36)
51 (38)
49 (37)
PGA
PGA
48 MHz
OSC
OSC
ADC
CLK
27
ANALOG
TIMING
INTERFACE
PLL
I
2
45, 46
n.c.
S-BUS
RIGHT
LEFT
ADC
ADC
MUX
Fig.1 Block diagram (QFP64 package).
DECIMATOR
FILTER
REFERENCE VOLTAGE
ANALOG FRONT-END
USB-PROCESSOR
41 (32)
V ref(AD)
FREQUENCY
GENERATOR
8 (9)
D
UDA1325
SAMPLE
5
40 (31)
V ref(DA)
6 (8)
D
VARIABLE HOLD REGISTER
3rd-ORDER NOISE SHAPER
UPSAMPLE FILTERS
PROCESSING DSP
AUDIO FEATURE
DIGITAL I/O
FIFO
7, 5, 3, 64,
62, 60, 58, 56
P0.7 to P0.0
RIGHT
LEFT
DAC
DAC
14, 16, 18, 20,
22, 23, 29, 30
P2.0 to P2.7
CONTROLLER
CONTROL
MICRO-
BLOCK
TEST
Preliminary specification
UDA1325
(11) 10
(12) 11
(13) 12
(23) 32
(24) 33
(29) 38
(30) 39
(33) 42
(35) 44
(17) 19
(18) 21
(26) 35
(27) 36
(25) 34
(28) 37
(10) 9
MGM108
(7) 4
V DDI
V SSI
V SSE
V DDE
V DDO
V SSO
V DDA1
V SSA1
V DDA2
V SSA2
SHTCB
TC
RTCB
VOUTL
VOUTR
SDA
SCL