KSZ8841-16 Просмотр технического описания (PDF) - Micrel
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KSZ8841-16 Datasheet PDF : 105 Pages
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Micrel, Inc.
Pin Number Pin Name
63
VDDAP
64
AGND
65
X1
66
X2
Type
P
Gnd
I
O
67
RSTN
Ipu
68
A15
I
69
A14
I
70
A13
I
71
A12
I
72
A11
I
73
A10
I
74
A9
I
75
A8
I
76
A7
I
77
A6
I
78
DGND
Gnd
79
VDDIO
P
80
A5
I
81
A4
I
82
A3
I
83
A2
I
84
A1
I
85
NC
I
86
NC
I
87
BE1N
I
88
BE0N
I
89
NC
I
90
DGND
Gnd
91
VDDC
P
92
VDDIO
P
93
NC
I
94
NC
I
95
NC
I
96
NC
I
97
NC
I
98
NC
I
99
NC
I
100
NC
I
101
NC
I
102
NC
I
KSZ8841-16/32 MQL/MVL/MBL
Pin Function
1.2V analog VDD for PLL input power supply from VDDCO (pin24) through external Ferrite
bead and capacitor.
Analog ground
25MHz crystal or oscillator clock connection.
Pins (X1, X2) connect to a crystal. If an oscillator is used, X1 connects to a 3.3V tolerant
oscillator and X2 is a no connect.
Note: Clock requirement is 50ppm for either crystal or oscillator.
Reset Not
Hardware reset pin (active Low). This reset input is required minimum of 10ms low after
stable supply voltage 3.3V.
Address 15
Address 14
Address 13
Address 12
Address 11
Address 10
Address 9
Address 8
Address 7
Address 6
Digital IO ground
3.3V digital VDDIO input power supply for IO with well decoupling capacitors.
Address 5
Address 4
Address 3
Address 2
Address 1
No Connect
No Connect
Byte Enable 1 Not, Active low for Data byte 1 enable (don’t care in 8-bit bus mode).
Byte Enable 0 Not, Active low for Data byte 0 enable (there is an internal inverter enabled
and connected to the BE1N for 8-bit bus mode).
No Connect
Digital core ground
1.2V digital core VDD input power supply from VDDCO (pin24) through external Ferrite
bead and capacitor.
3.3V digital VDDIO input power supply for IO with well decoupling capacitors.
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
No Connect
October 2007
15
M9999-102207-1.6
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