參數(shù)資料
型號: UDA1325
廠商: NXP Semiconductors N.V.
元件分類: Codec
英文描述: Universal Serial Bus USB CODEC
中文描述: 通用串行總線解碼器
文件頁數(shù): 5/52頁
文件大?。?/td> 310K
代理商: UDA1325
1999 May 10
5
Philips Semiconductors
Preliminary specification
Universal Serial Bus (USB) CODEC
UDA1325
BLOCK DIAGRAM
Fig.1 Block diagram (QFP64 package).
handbook, full pagewidth
MGM108
TIMING
ANALOG
PLL
OSC
48 MHz
OSC
ADC
24 (19)
27
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)
(12) 11
(13) 12
(10) 9
(11) 10
(23) 32
(24) 33
(29) 38
(30) 39
(33) 42
(35) 44
ANALOG FRONT-END
USB-PROCESSOR
DIGITAL I/O
FIFO
AUDIO FEATURE
PROCESSING DSP
UPSAMPLE FILTERS
VARIABLE HOLD REGISTER
3rd-ORDER NOISE SHAPER
REFERENCE VOLTAGE
57 (1)
59 (2)
61 (3)
43 (34)
47 (36)
8 (9)
6 (8)
MICRO-
CONTROLLER
TEST
CONTROL
BLOCK
SAMPLE
FREQUENCY
GENERATOR
MUX
I
2
S-BUS
INTERFACE
DECIMATOR
FILTER
PGA
LEFT
Σ
ADC
PGA
RIGHT
Σ
ADC
LEFT
DAC
RIGHT
DAC
49 (37)
51 (38)
45, 46
41 (32)
40 (31)
Vref(AD)
Vref(DA)
(28) 37
(25) 34
(27) 36
(26) 35
(7) 4
(18) 21
(17) 19
n.c.
UDA1325
+
+
VRN
VINR
VSSA2
VINL
VSSA1
VDDA2
VDDA1
VOUTR
RTCB
GP4/BCKO
SHTCB
D
7, 5, 3, 64,
62, 60, 58, 56
P0.7 to P0.0
14, 16, 18, 20,
22, 23, 29, 30
P2.0 to P2.7
D
+
VDDI
VSSI
VSSE
VDDE
VDDO
GP1/DI
GP0/BCKI
BCK
48
EA
50
ALE
WS
DA
31
PSEN
VSSA3
XTAL2a
VDDA3
VRP
GP2/DO
GP3/WSO
XTAL1a
SDA
VSSX
XTAL1b
XTAL2b
VDDX
CLK
VSSO
VOUTL
TC
SCL
GP5/WSI
The pin numbers given in parenthesis refer to the SDIP42 version.
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