RTL8306SD/RTL8306SDM
Datasheet
6.9. Port Status Strapping Pins
Pins that are dual function pins are outputs for LEDs or inputs for strapping. Below are strapping
descriptions only.
Table 10. Port Status Strapping Pins
Pin
No.
SMI
EEPROM
Drive
(mA)
Pin Name
Type
Description
Accessible accessible
SetGroup
/LED_DUP[4]
95 I/OPU
4
Input Upon Reset = Set group of port 1.
N/A
N/A
N/A
1: Port 0 is group X. Port 1, 2, and 3 are group Y
0: Port 0, and 1 are group X. Port 2, and 3 are group Y
Output After Reset = Used for LED.
Modeset1
/LED_ADD[3]
96 I/OPU
4
Input Upon Reset = Modeset1.
See Table 3, page 9, for details.
N/A
Output After Reset = Used for LED.
Input Upon Reset = Modeset0.
Modeset0
/LED_DUP[3]
99 I/OPU
103 I/OPU
4
4
N/A
N/A
Output After Reset = Used for LED.
P4ANEG
/LED_ACT[2]
Input Upon Reset = Port 4 Auto-Negotiation ability.
1: Enable auto-negotiation (NWAY mode)
√
√
0: Disable auto-negotiation (Force mode)
Upon reset, this pin sets Reg.0.12 of Port 4. Strap after
reset for initial value of Port 4 UTP mode only. This pin
is not used for MAC mode MII, PHY mode MII.
Output After Reset = Used for LED.
GxANEG
/LED_SPD[2]
104 I/OPU
4
4
Input Upon Reset = GroupX Auto-Negotiation ability.
1: Enable auto-negotiation (NWAY mode)
0: Disable auto-negotiation (Force mode)
Upon reset, this pin sets Reg.0.12 of Group X. Strap
after reset for initial value of UTP mode only.
√
√
√
√
Output After Reset = Used for LED.
GyANEG
/LED_DUP[2]
105 I/OPU
Input Upon Reset = GroupY Auto-Negotiation ability.
1: Enable auto-negotiation (NWAY mode)
0: Disable auto-negotiation (Force mode)
Upon reset, this pin sets Reg.0.12 of Group Y. Strap after
reset for initial value of UTP mode only.
Output After Reset = Used for LED.
6-Port 10/100Mbps Single-Chip Dual MII/RMII Switch Controller
29
Track ID: JATR-1076-21 Rev. 1.1
REALTEK [ Realtek Semiconductor Corp. ]
