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參數(shù)資料
| 型號： | ATA5744N-TKSY |
| 廠商： | ATMEL CORP |
| 元件分類： | 通信及網(wǎng)絡 |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PDSO20 |
| 封裝： | LEAD FREE, SSO-20 |
| 文件頁數(shù)： | 12/20頁 |
| 文件大?。?/td> | 316K |
| 代理商： | ATA5744N-TKSY |
2
4893A–RKE–11/05
ATA5744
2.
Pin Configuration
Figure 2-1.
Pinning SO20 and SSO20
Table 2-1.
Pin Description
Pin
Symbol
Function
1
BR_0
Baud rate select LSB
2
BR_1
Baud rate select MSB
3
CDEM
Lower cut-off frequency data filter
4
AVCC
Analog power supply
5
AGND
Analog ground
6
DGND
Digital ground
7
MIXVCC
Power supply mixer
8
LNAGND
High-frequency ground LNA and mixer
9
LNA_IN
RF input
10
NC
Not connected
11
LFVCC
Power supply VCO
12
LF
Loop filter
13
LFGND
Ground VCO
14
XTO
Crystal oscillator
15
DVCC
Digital power supply
16
MODE
Selecting 433.92 MHz /315 MHz
Low: 315 MHz (USA)
High: 433.92 MHz (Europe)
17
RSSI
Output of the RSSI amplifier
18
TEST
Test pin, during operation at GND
19
ENABLE
Selecting operation mode
Low: sleep mode
High: receiving mode
20
DATA
Data output
1
2
3
4
5
6
7
8
10
9
19
18
17
16
14
15
13
12
11
20
AVC
C
AGN
D
DG
ND
M
IXVC
C
LN
A
G
N
D
LN
A_IN
BR
_1
CDE
M
RS
S
I
MO
D
E
XT
O
LF
GND
LF
EN
A
B
LE
TE
S
T
NC
LF
V
C
DA
T
A
DV
C
BR
_0
AT
A5
7
4
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