參數(shù)資料
型號： 935261616112
廠商： NXP SEMICONDUCTORS
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PDIP32
封裝： 0.400 INCH, PLASTIC, SDIP-32
文件頁數(shù)： 45/48頁
文件大小： 356K
代理商： 935261616112
1998 Oct 06
6
Philips Semiconductors
Preliminary specication
Universal Serial Bus (USB)
Digital-to-Analog Converter (DAC)
UDA1321
PINNING
SYMBOL
PIN
QFP64
PIN
SDIP32
PIN
SO28
I/O
DESCRIPTION
GP5/WSI
2
29
25
I/O
general purpose pin 5 or word select input
SCL
3
30
26
I/O
serial clock input (I2C-bus)
SDA
4
31
27
I/O
serial data input/output (I2C-bus)
P0.7
5
n.a.
I/O
Port 0.7 of the microcontroller
EA
6
n.a.
I/O
external access (active LOW)
GP1/DI
7
32
28
I/O
general purpose pin 1 or data input
PSEN
8
n.a.
I/O
program store enable (active LOW)
ALE
9
n.a.
I/O
address latch enable (active HIGH)
GP2/DO
10
1
I/O
general purpose pin 2 or data output for extra DSP
chip
P2.0
11
n.a.
I/O
Port 2.0 of the microcontroller
P2.1
12
n.a.
I/O
Port 2.1 of the microcontroller
GP3/WSO
13
2
I/O
general purpose pin 3 or master word select output for
extra DSP chip
GP4/BCKO
14
3
I/O
general purpose pin 4 or master bit clock output for
extra DSP chip
SHTCB
15
4
I
shift clock TCB input (active HIGH)
D
17
6
5
I/O
negative data line of the differential data bus conform
to the USB-standard
P2.2
18
n.a.
I/O
Port 2.2 of the microcontroller
P2.3
19
n.a.
I/O
Port 2.3 of the microcontroller
D+
20
7
6
I/O
positive data line of the differential data bus conform to
the USB-standard
P2.4
21
n.a.
I/O
Port 2.4 of the microcontroller
P2.5
22
n.a.
I/O
Port 2.5 of the microcontroller
P2.6
23
n.a.
I/O
Port 2.6 of the microcontroller
P2.7
24
n.a.
I/O
Port 2.7 of the microcontroller
VDDI
25
8
7
digital supply voltage core
VSSI
29
9
8
digital ground core
VSSE
30
10
9
digital ground I/O pins
VDDE
32
11
10
digital supply voltage I/O pins
VSSX
36
13
11
crystal oscillator ground
XTAL1
37
14
12
I
crystal oscillator input 1
XTAL2
38
15
13
O
crystal oscillator output 2
VDDX
39
16
14
crystal oscillator supply voltage
Vref
42
18
15
O
reference output voltage
VSSA
44
19
16
analog ground
VDDA
45
20
17
analog supply voltage
VOUTR
46
21
18
O
right channel output voltage
VSSO
49
22
19
operational amplier ground
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PDF描述
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