PXB4219E Datasheet, PDF (262/290 Pages) Infineon Technologies AG – Interworking Element for 8 E1/T1 Lines

9.6.6
IWE8, V3.4
PXB 4219E, PXB 4220E, PXB 4221E
Electrical Characteristics
Microprocessor Interface
9.6.6.1 Intel Mode
MPADR
MPCS
MPWR
MPRDY
MPDAT
1
2
10
3
5
4
Figure 68 Intel Mode Write Cycle Timing Diagram
9
8
6
11
7
mwctg
Table 48 Intel Mode Write Cycle AC Characteristics
No. Parameter
Limit Values
Unit
Min
Typ
Max
1
Setup time MPADR before MPCS low 0
ns
2
Setup time MPCS before MPWR low 0
ns
3
Delay MPRDY low after MPWR low 2
20
ns
4
MPDAT valid after MPWR low
5
Pulse width MPRDY low
6
MPRDY high to MPWR high
2 x T_clock
10
2 x T_clock ns
23xT_clock ns
ns
7
Hold time MPDAT after MPWR high 5
ns
8
Hold time MPCS after MPWR high 5
ns
9
Hold time MPADR after MPWR high 5
ns
10 Delay MPCS low to MPRDY high
2
20
ns
11 Delay MPCS high to MPRDY high
2
impedance
20
ns
Data Sheet
262
2003-01-20