参数资料
型号: KSZ9021RLI
厂商: Micrel Inc
文件页数: 33/58页
文件大小: 0K
描述: TXRX ETHERNET GB RGMII 64-LQFP
标准包装: 160
类型: 收发器
驱动器/接收器数: 8/8
规程: 千兆位以太网
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 64-LQFP 裸露焊盘
供应商设备封装: 64-E-LQFP
包装: 托盘
其它名称: 576-3636
KSZ9021RLI-ND
2010 Microchip Technology Inc.
DS22265A-page 39
MCP444X/446X
3.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
Additional descriptions of the device pins follows.
TABLE 3-1:
PINOUT DESCRIPTION FOR THE MCP444X/446X
Pin
Weak
Pull-up/
down
Standard Function
TSSOP
QFN
Symbol
I/O
Buffer
Type
14L
20L
—1
19
P3A
A
Analog
No
Potentiometer 3 Terminal A
12
20
P3W
A
Analog
No
Potentiometer 3 Wiper Terminal
23
1
P3B
A
Analog
No
Potentiometer 3 Terminal B
34
2
HVC/A0
I
HV w/ST
“smart” High Voltage Command / I2C Address 0
45
3
SCL
I
HV w/ST
No
I2C Clock Input
56
4
SDA
I
HV w/ST
No
I2C Serial Data I/O. Open Drain output
67
5
VSS
—P
Ground
78
6
P1B
A
Analog
No
Potentiometer 1 Terminal B
89
7
P1W
A
Analog
No
Potentiometer 1 Wiper Terminal
—10
8
P1A
A
Analog
No
Potentiometer 1 Terminal A
—11
9
P0A
A
Analog
No
Potentiometer 0 Terminal A
912
10
P0W
A
Analog
No
Potentiometer 0 Wiper Terminal
10
13
11
P0B
A
Analog
No
Potentiometer 0 Terminal B
—14
12
WP
I
HV w/ST
“smart” Hardware EEPROM Write Protect
—15
13
RESET
I
HV w/ST
Yes
Hardware Reset Pin
11
16
14
A1
I
HV w/ST
“smart” I2C Address 1
12
17
15
VDD
—P
Positive Power Supply Input
13
18
16
P2B
A
Analog
No
Potentiometer 2 Terminal B
14
19
17
P2W
A
Analog
No
Potentiometer 2 Wiper Terminal
—20
18
P2A
A
Analog
No
Potentiometer 2 Terminal A
——
21
EP
Exposed Pad. (Note 2)
Legend:
HV w/ST = High Voltage tolerant input (with Schmidtt trigger input)
A = Analog pins (Potentiometer terminals)
I = digital input (high Z)
O = digital output
I/O = Input / Output
P = Power
Note 1:
The pin’s “smart” pull-up shuts off while the pin is forced low. This is done to reduce the standby and
shut-down current.
2:
The QFN package has a contact on the bottom of the package. This contact is conductively connected to
the die substrate, and therefore should be unconnected or connected to the same ground as the device’s
VSS pin.
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