zl50400 Zarlink Semiconductor, zl50400 Datasheet - Page 12

• Manufacturer Part Number: zl50400
• Description: Lightly Managed/unmanaged 9-port 10/100 M 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 [7:0] MII
L13, K14, L15, L16,
N14, P14, R14, T14,
N11, P11, R11, T11,
N8, P8, R8, T8, N4,
P4, R4, T4, N1, P1,
R1, T1, J4, K3, K2,
K1, F4, F3, G2, G1
K16, T15, T12, T9, T5,
T2, L1, H1
2
C Interface - Unmanaged Mode Only (TSTOUT[3] bootstrap must be '1')
Ball Signal Descriptions
Ball No(s)
SCL
SDA
STROBE
DATAOUT
DATAIN
P_INT#
M[7:0]_RXD[3:0] Input
M[7:0]_CRS_DV Input
# =
Input =
Input-ST =
Output =
I/O-TS =
pull-up =
pull-down =
Symbol
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 (nominal 100K ohm)
(refer to Section 1.4 on page 17 as some internal
pull-ups are not enabled in certain configurations)
Weak internal pull-down (nominal 100K ohm)
(refer to Section 1.4 on page 17 as some internal
pull-downs are not enabled in certain configurations)
Output
w/ pull up
I/O-TS
w/ pull up
Input
w/ pull up
Output
Input
w/ pull up
Output
with pull-up
with pull-up
Zarlink Semiconductor Inc.
ZL50400
I/O
12
I
Unmanaged Mode Only
I
Unmanaged Mode Only
SSI - Clock Signal
SSI - Data Out
SSI - Data In
CPU Interrupt
Ports [7:0] – Receive Data Bit [3:0]
Ports [7:0] – Carrier Sense and Receive Data
Valid
2
2
C - Serial Clock Line
C - Serial Data Line
Description
Data Sheet