AMIS-49587_P2 Datasheet, PDF (6/55 Pages) ON Semiconductor – Power Line Carrier Modem

3.2 QFN Packaging
AMIS--49587
M50Hz_IN ¹
NC ²
NC ³
NC ⁴
NC ⁵
RX _DATA ⁶
TDO ⁷
TDI ⁸
TCK ⁹
TMS ¹⁰
TRST ¹¹
NC ¹²
NC 13
AMIS--49587
39 NC
38 _NC
37 TX_EN
36 TEST
35 RES
34 NC
33 CRC
32 BR0
31 BR1
30 NC
29 T_REQ
28 NC
27 NC
Figure 3. QFN Pin--out of AMIS--49587 (Top view)
Table 7. AMIS--49587 QFN PIN FUNCTION DESCRIPTION
Pin
No.
Pin Name
I/O
Type
Description
1
M50HZ_IN
In
A
50/60Hz input for mains zero cross detection
6
RX_DATA
Out D, 5V Safe Data reception indication (open drain output)
7
TDO
Out
D
Test data output
8
TDI
In
D
Test data input (internal pull down)
9
TCK
In
D
Test clock (internal pull down)
10
TMS
In
D
Test mode select (internal pull down)
11
TRSTB
In
D
Test reset bar (internal pull down, active low)
16 TX_DATA/PRE_SLOT Out D, 5V Safe Data output corresponding to transmitted data or PRE_SLOT signal
(open drain)
17
XIN
In
A
Xtal input (can be driven by an internal clock)
18
XOUT
Out
A
Xtal output (output floating when XIN driven by external clock)
20
VSS
P
Digital ground
21
VDD
P
3.3 V digital supply
22
TXD
Out D, 5V Safe SCI transmit output (open drain)
24
RXD
In
D, 5V Safe SCI receive input (Schmitt trigger input)
29
T_REQ
In
D, 5V Safe Transmit Request input
31
BR1
In
D, 5V Safe SCI baud rate selection
32
BR0
In
D, 5V Safe SCI baud rate selection
33
CRC
Out D, 5V Safe Correct frame CRC indication (open drain output)
35
RESB
In
D, 5V Safe Master reset bar (Schmitt trigger input, active low)
36
TEST
In
D
Test enable (internal pull down)
P:
Power pin
A:
Analog pin
D:
Digital pin
5V Safe: IO that support the presence of 5 V on bus line
Out:
Output signal
In:
Input signal
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