KSZ8842-16MBL-EVAL MICREL [Micrel Semiconductor], KSZ8842-16MBL-EVAL Datasheet - Page 23
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KSZ8842-16MBL-EVAL
Manufacturer Part Number
KSZ8842-16MBL-EVAL
Description
2-Port Ethernet Switch with Non-PCI Interface
Manufacturer
MICREL [Micrel Semiconductor]
Datasheet
1.KSZ8842-16MBL-EVAL.pdf
(141 pages)
- Current page: 23 of 141
- Download datasheet (770Kb)
Pin Description for KSZ8842-32 Switches (32-Bit)
Micrel, Inc.
October 2007
Pin Number
10
11
1
2
3
4
5
6
7
8
9
RDYRTNN
SCAN_EN
Pin Name
TEST_EN
P1LED2
P1LED1
P1LED0
P2LED2
P2LED1
P2LED0
VDDIO
DGND
Type
Opu
Opu
Opu
Opu
Opu
Opu
Gnd
Ipd
P
I
I
Pin Function
Test Enable
For normal operation, pull-down this pin to ground.
Scan Test Scan Mux Enable
For normal operation, pull-down this pin to ground.
Port 1 and Port 2 LED indicators
Notes:
1. Link = On; Activity = Blink; Link/Act = On/Blink; Full Dup/Col = On/Blink;
Full Duplex = On (Full duplex); Off (Half duplex)
Speed = On (100BASE-T); Off (10BASE-T)
2. P1LED3 is pin 27. P2LED3 is pin 22.
Port 1 and Port 2 LED indicators
Note 3: RPT_COL = Blink; RPT_Link3/RX (Host port) = On/Blink;
RPT_Link2/RX (Port 2) = On/Blink; RPT_Link1/RX (Port 1) = On/Blink;
RPT_ACT = on if any activity, RPT_ERR3/2/1 = RX error on port 3, 2, or 1.
Digital ground
3.3V digital V
Ready Return Not
For VLBus-like mode: Asserted by the host to complete synchronous read
cycles. If the host doesn’t connect to this pin, assert this pin.
For burst mode (32-bit interface only): Host drives this pin low to signal waiting
states.
P1LED3
P1LED2/P2LED2
P1LED1/P2LED1
P1LED0/P2LED0
P1LED3
P1LED2/P2LED2
P1LED1/P2LED1
P1LED0/P2LED0
P1LED3; P2LED3
P1LED2; P2LED2
P1LED1; P2LED1
P1LED0; P2LED0
2
2
/P2LED3
/P2LED3
DDIO
23
input power supply for IO with well decoupling capacitors.
RPT_COL; RPT_ACT
Switch Global Control Register 5: SGCR5 bit
[15,9]
[0,0] Default
RPT_Link3/RX; RPT_ERR3
RPT_Link2/RX; RPT_ERR2
RPT_Link1/RX; RPT_ERR1
Switch Global Control Register 5:
SGCR5 bit [15,9]
[0,0] Default
—
Link/Act
Full duplex/Col
Speed
Reg. SGCR5 bit [15,9]
[1,0]
Act
Link
Full duplex/Col
Speed
1
3
defined as follows:
for Repeater mode defined as follows:
KSZ8842-16/32 MQL/MVL/MVLI/MBL
[0,1]
—
100Link/Act
10Link/Act
Full duplex
[1,1]
—
—
—
—
[0,1] [1,0] [1,1]
—
—
—
—
M9999-102207-1.9
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