zl50404 Zarlink Semiconductor, zl50404 Datasheet - Page 12

• Manufacturer Part Number: zl50404
• Description: Lightly Managed/unmanaged 5-port 10/100m Ethernet Switch
• Manufacturer: Zarlink Semiconductor

1.3
All pins are CMOS type; all Input Pins are 5 Volt tolerance; and all Output Pins are 3.3 CMOS drive.
Notes
Ball Signal Description Table
I
B3
B2
Serial CPU Bus Interface
A4
A3
A2
B1
Fast Ethernet Access Ports [3:0] MII
N4, P4, R4, T4, N1,
P1, R1, T1, J4, K3,
K2, K1, F4, F3, G2,
G1
T5, T2, L1, H1
R5, R2, L2, H2
# =
Input =
Input-ST =
Output =
I/O-TS =
pull up =
pull down =
2
C Interface - Unmanaged Mode Only (TSTOUT[3] bootstrap must be '1')
Ball Signal Descriptions
Ball No(s)
Active low signal
Input signal
Input signal with Schmitt-Trigger
Output signal (Tri-State driver)
Input & Output signal with Tri-State driver
Weak internal pull up (refer to Section 1.4 on page 17
as some internal pull ups are not enabled in certain
configurations)
Weak internal pull down (refer to Section 1.4 on page
17 as some internal pull downs are not enabled in
certain configurations)
SCL
SDA
STROBE
DATAOUT
DATAIN
P_INT#
M[3:0]_RXD[3:0] Input
M[3:0]_CRS_DV Input
M[3:0]_TXEN
Symbol
Output
w/ pull up
I/O-TS
w/ pull up
Input
w/ pull up
Output
Input
w/ pull up
Output
w/ pull up
w/ pull up
Output, slew
Zarlink Semiconductor Inc.
ZL50404
I/O
12
I
Unmanaged Mode Only
I
Unmanaged Mode Only
SSI - Clock Signal
SSI - Data Out
SSI - Data In
CPU Interrupt
Ports [3:0] – Receive Data Bit [3:0]
Ports [3:0] – Carrier Sense and Receive Data
Valid
Ports [3:0] – Transmit Enable
This pin also serves as a bootstrap pin.
2
2
C - Serial Clock Line
C - Serial Data Line
Description
Data Sheet