PSB50505EV13GXT Lantiq, PSB50505EV13GXT Datasheet - Page 119
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PSB50505EV13GXT
Manufacturer Part Number
PSB50505EV13GXT
Description
Manufacturer
Lantiq
Datasheet
1.PSB50505EV13GXT.pdf
(290 pages)
Specifications of PSB50505EV13GXT
Lead Free Status / RoHS Status
Supplier Unconfirmed
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The IWE8 occupies an address space of 256k x 16 bits. The lower 128k x 16 bits are
used for internal registers and internal configuration RAM’s. The upper 128k x 16 bits are
used to address external RAM.
MPADR[17:0]
3FFFF
20000
1FFFF
00A00
009FF
00800
007FF
00600
005FF
00400
003FF
00200
001FF
00000
Figure 36
The 4 internal configuration RAMs are organized as 256 x 32 bit memories, but RAM4
has only 16 bits implemented (bit positions 16 to 31 are always read as "0").
Data Sheet
H
H
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H
H
H
H
H
H
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H
Memory Structure
Memory Model
128k
512
512
512
512
512
16
16
16
16
16
16
Internal Registers
Internal RAM4
Internal RAM3
Internal RAM2
Internal RAM1
External RAM
Not used
64k
256
256
256
256
119
PXB 4219E, PXB 4220E, PXB 4221E
32
32
32
32
32
RMADR[15:0]
FFFF
0000
H
H
Memory Structure
IWE8, V3.4
2003-01-20
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