MDS212 Datasheet, PDF (17/111 Pages) Zarlink Semiconductor Inc – 12-Port 10/100Mbps Ethernet Switch

MDS212
Data Sheet
2.0 Ball-signal Descriptions
The Type of All pins is CMOS.
All Input pins are 5 Volt Tolerance.
All Output Pins are 3.3 CMOS Drive.
CPU Bus Interface
Ball No(s)
Symbol
I/O
Description
G24, G25, G26, H24,
J23, H25, K22, H26.
J24, k23, J25, J26,
K24, K25, L23, K26,
M22, L24, L25, L26,
M24, M23, M25, M26,
N23, N24, N26, N25,
P25, P26, P24, P22
E24, F23, D26, E26,
G23, H22, F24, F25,
F26, H23
D25
F22
E23
D24
C25
C26
D23
E25
A24
C24
A26
A25
E21
P_D[31:0]
I/O-TS, U
Processor Data Bus- Data Bit [31:0]
P_A[10:1] Input /Output –U Process Address Bus-Address Bit [10:1]
P_RST#
P_RWC#
P_ADS#
P_RDY#
P_BRDY#
P_BLAST#
P_INT
P_CLK
P_CSI#
P_REQC
P_GNTC
P_REQ1
P_GNT1
Input-ST
Input/Output-
TS, U
Input /Output-
TS, U
Output-OD - TS,
U
Input- TS, U
Input- TS, U
Output
Input
Input- U
Input
Output
Input/Output
Input/Output
Process Bus – Master Reset
Process Bus – Read/Write Control Programmable
polarity
Process Address Strobe
Process Bus – Data Ready
Process Bus – Burst Ready
Process Bus – Burst Last
Process Bus – Interrupt Request Programmable
polarity
Process Bus – Bus Clock
Chip Select
Bus Request from CPU - Only using in debug
mode when system is unmanaged.
Bus Grant to CPU - Only using in debug mode
when system in unmanaged.
Bus Request from secondary MDS212 to primary
MDS212. Only using in debug mode when system
in unmanaged.
Bus Grant to secondary MDS212 from primary
MDS212. Only using in debug mode when system
is unmanaged.
17
Zarlink Semiconductor Inc.