參數(shù)資料
型號(hào): STA450A
廠商: 意法半導(dǎo)體
英文描述: XMRADIO SDARS SERVICE LAYER & SOURCE DECODER
中文描述: XMRADIO衛(wèi)星數(shù)字收音機(jī)服務(wù)層
文件頁(yè)數(shù): 3/66頁(yè)
文件大?。?/td> 439K
代理商: STA450A
3/66
STA450A
PIN FUNCTION
Pin
Type
Function
Pad Description
1,6,53
NU(IT_1),
NU(IT_2),
NU(IT_0)
I
Not Used (must be connected to
ground in functional mode)
Schmitt Trigger Buffer
2,9,15,23,
30,37,44,5
0,57,62,69
,76
GND1…,GND12
Ground
3,10,16,
24,31,38,4
5,51,58,63
,70,77
VDD1…,VDD12
1.8V Core Supply Voltage
4
TEST0
I
Test Pin (must be connected to
ground in functional mode)
Analog Pad
5
CLK_IN
I
Clock Input
Schmitt Trigger Buffer
7
TESTB
I
Test Pin
Input Pad Buffer with Active Pull-Up
8
CAP_RST (GPIO_4)
I/O
CAP Reset
Bi Dir Pad, 4mA Output Buffer with
Slew Rate Control
11,32,52,7
1
VDD_IO1,…
VDD_IO4
3.3V I/O Supply Voltage
12
CLK_OUT
O
Clock Out
4mA Output Buffer with Slew Rate
Control
13
SCL_M
O
I2C Master Serial Clock
4mA Output Buffer with Slew Rate
Control
14
SDA_M
I/O
I2C Master Serial Data
Bi Dir Pad, 4mA Output Buffer with
Slew Rate Control
17,27,28,4
0
NU(FIT_0),
NU(FIT_3),
NU(FIT_4), NU(FIT_1)
I
Not Used (must be connected to
ground in functional mode)
Schmitt Trigger Buffer
18
SCAN_MODE
I
Scan Mode (must be connected to
ground in functional mode)
Input Pad Buffer
19
APLL_GND
Analog Ground for Audio PLL
20
APLL_VDD
1.8V Analog Supply for Audio PLL
21
FILT_0
PLL Filter
Analog Pad
22
NU
Not Used
25,26
CLK_M1, CLK_M0
I
Selection of Input Clock for the DSP
core and peripherals
Input Pad Buffer
29
PLL_SYNC (FIT_5)
I
Fractional Audio PLL Sync.
Schmitt Trigger Buffer
33
PCDC
I/O
PC Bitstream Data Clock
Schmitt Trigger Bi Dir Pad, 4mA
Output Buffer with Slew Rate Control
34
PCSD
I/O
PC Bitstream Serial Data
Schmitt Trigger Bi Dir Pad, 4mA
Output Buffer with Slew Rate Control
35,41,46
NU(USSIO0_LRCLK)
NU(USSIO1_LRCLK)
NU(USSIO2_LRCLK)
I/O
Not Used (must be connected to
ground in functional mode)
Schmitt Trigger Bi Dir Pad, 4mA
Output Buffer with Slew Rate Control
36
NU(REQ)
O
Not used
4mA Output Buffer with Slew Rate
Control
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