IPC@CHIP SC2x3
Hardware Manual V1.02 [01.03.09]
©2000-2009 BECK IPC GmbH
Page 18
4.11 MII Interface
Pin Name
Pin
Con
Type
Description
MDIO
15
X1
I/O [4mA]
Ethernet MII 1 Management Data
MDC
16
X1
OUT [4mA]
Ethernet MII 1 Clock Out
TXCLK
9
X1
IN
Ethernet Transmit Clock
TXEN
24
X1
OUT [4mA]
Ethernet Transmit Enable
(internal 100kOhm Pullup)
TXER
17
X1
OUT [4mA]
Ethernet Transmit Error
TXD[3]
20
X1
OUT [4mA]
Ethernet Transmit Data Bus Bit [3]
TXD[2]
19
X1
OUT [4mA]
Ethernet Transmit Data Bus Bit [2]
TXD[1]
22
X1
OUT [4mA]
Ethernet Transmit Data Bus Bit [1]
TXD[0]
21
X1
OUT [4mA]
Ethernet Transmit Data Bus Bit [0]
RXCLK
11
X1
IN
Ethernet Receive Clock
RXDV
14
X1
IN
Ethernet Receive Data Valid
RXER
4
X1
IN
Ethernet Receive Error
RXD[3]
5
X1
IN
Ethernet Receive Data Bus Bit [3]
RXD[2]
6
X1
IN
Ethernet Receive Data Bus Bit [2]
RXD[1]
7
X1
IN
Ethernet Receive Data Bus Bit [1]
RXD[0]
8
X1
IN
Ethernet Receive Data Bus Bit [0]
RXCRS
3
X1
IN
Ethernet Receive Carrier Sense
RXCOL
12
X1
IN
Ethernet Receive Collision
Table 4-9: Pin Description of MII
4.12 Timers
Pin Name
Pin
Con
Type
Description
PIO32
32
X3
I/O[4mA]
Internal TIMER0
can only be used as PIO32.
TIMER1
PIO33
31
X3
I/O[4mA]
I/O[4mA]
Timer 1
This pin can also be used as PIO33.
TIMER2
PIO34
36
X3
I/O[4mA]
I/O[4mA]
Timer 2
This pin can also be used as PIO34.
TIMER3
PIO35
33
X3
I/O[4mA]
I/O[4mA]
Timer 3
This pin can also be used as PIO35.
TIMER4
PIO36
38
X3
I/O[4mA]
I/O[4mA]
Timer 4
This pin can also be used as PIO36.
TIMER5
PIO37
35
X3
I/O[4mA]
I/O[4mA]
Timer 5
This pin can also be used as PIO37.
TIMER6
PIO38
40
X3
I/O[4mA]
I/O[4mA]
Timer 6
This pin can also be used as PIO38.
TIMER7
PIO39
39
X3
I/O[4mA]
I/O[4mA]
Timer 7
This pin can also be used as PIO39.
Table 4-10: Pin Description of Timers
4.13 Reset signals
Pin Name
Pin
Con
Type
Description
RESIN#
4
X3
IN
Reset In
(Active Low, Schmitt Input, 5.6kOhm pullup)
HRESET#
3
X3
IN/OUT [8mA]
Hardware Reset
(Active Low, Schmitt Trigger Input with
internal 10kOhm pullup)
SRESET#
6
X3
IN/OUT [8mA]
Software Reset
(Active Low, Schmitt Trigger Input with
internal 10kOhm pullup)
PORRESET#
5
X3
OUT [4mA]
Power On Reset
(Active Low)
Table 4-11: Pin Description of Reset signals
