1894K-32LF IDT, 1894K-32LF Datasheet - Page 25

• Manufacturer Part Number: 1894K-32LF
• Description: Ethernet ICs 3.3V 10/100 PHY RMII
• Manufacturer: IDT

Specifications of 1894K-32LF

• Rohs: yes
• Part # Aliases: ICS1894K-32LF

IDT® 10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
Register
Register
21.15:0
ICS1894-32
10BASE-T/100BASE-TX INTEGRATED PHYCEIVER WITH RMII INTERFACE
20.11
20.10
22.15
22.14
22.13
22.12
22.11
22.10
20.9
20.8
20.7
20.6
20.5
20.4
20.3
20.2
20.1
20.0
22.9
22.8
Bit
21 - Extended Control Register
22 - Extended Control Register
ICS reserved
ICS reserved
RXER_CNT
Interrupt flag read clear
Interrupt flag auto clear
Interrupt output enable
Interrupt flag re-setup
Interrupt polarity
Interrupt Enable
Interrupt Enable
Interrupt Enable
LED1 Mode
LED0 Mode
Definition
enable
enable
enable
Reserved
Reserved
000 = Link Integrity
001 = activity/no activity
010 = Transmit Data
011 = Receive Data
100 = Collision
101 = 100/10 mode (Default LED1)
110 = Full Duplex
111 = OFF
000 = Link Integrity
001 = activity/no activity (Default LED0)
010 = Transmit Data
011 = Receive Data
100 = Collision
101 = 100/10 mode
110 = Full Duplex
111 = LINK_STAT
Receive error count for RMII mode
Interrupt flag clear by
read disable
Output low when
interrupt occur
Interrupt flag unchanged
when interrupt condition
removed
Interrupt flag always
cleared when write 1 to
flag bit
Disable Deep power
down wake up Interrupt
Disable Deep power
down Interrupt
Disable Auto-Negotiation
Complete Interrupt
Disable interrupt output
When Bit = 0
Reserved
Reserved
Enable interrupt output
Interrupt flag clear by read
enable
Output high when
interrupt occur
Interrupt flag cleared
when interrupt condition
removed
Interrupt flag remains
unchanged when
interrupt condition exists
when a 1 is written to flag
bit.
Enable Deep power down
wake up Interrupt
Enable Deep power down
Interrupt
Enable Auto-Negotiation
Complete Interrupt
When Bit = 1
25
Access
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
2
SF
–
ICS1894-32
2
Default
1
1
1
1
1
1
1
0
1
0
0
1
0
0
0
0
0
0
0
0
PHYCEIVER
3
REV M 021512
Hex
E
F
9
0
0
0