E x te rn a l M e m o ry In te rfa c e
7 6
M e m o ry -
S R A M
C o n tro lle r
(8 k B y te )
(E M IF )
S la v e
S la v e
M U X /A rb .
M U X /A rb .
In p u t
M U X /A rb .
s ta g e
M a s te r
M a s te r
S la v e
P C I
L o c a l
B u s U n it
B rid g e
(L B U )
(3 2 B it, 6 6 M H z )
(1 6 B it)
M a s te r-/T a rg e t-
fä h ig
5 2
P C I-/L o c a l B u s
Abbildung 2: ERTEC 400-Block-Diagramm
Copyright © Siemens AG 2010. All rights reserved.
Änderungen vorbehalten
A R M 9 4 6 E S
A R M -
I-C a c h e
In te rru p t-
D -C a c h e
C o n tro lle r
D -T C M
S la v e
D e c o d e
M u lti-L a y e r-
A H B
In p u t
5 0 M H z /3 2 B it
s ta g e
M a s te r
A H B -
W ra p p e r
S la v e
3 2 B it
M C -B u s
(5 0 M H z )
S w itc h C o n tro l
E th e rn e t-
E th e rn e t-
K a n a l
K a n a l
(P o rt 1 )
(P o rt 2 )
R E F _ C L K
J T A G / D e b u g
7
B S -
w ith
T A P
,
(8 k B y te )
,
(4 k B y te )
E T M
(4 k B y te )
M a s te r / S la v e
In p u t
s ta g e
A H B /A P B
B rid g e
M U X /A rb .
S la v e
A H B -
W ra p p e r
M a s te r
S C -B u s
(5 0 M H z )
K -S R A M
1 9 2 k B y te
4 P o rt
E th e rn e t-
E th e rn e t-
K a n a l
K a n a l
S w itc h
(P o rt 3 )
(P o rt 4 )
12
T ra c e -
1 2 ,5 M H z
R E F _ C L K
P o rt
1
1
C lo c k -
U n it
B o o t-
A P B
R O M
(A d v a n c e d
P e rip h e ra l B u s )
5 0 M H z
G P IO
3 2 B it
2 x U A R T
S P I
In te rfa c e
2 x T im e r,
3 2 B it
W a tc h d o g ,
F -T im e r
S y s te m
C o n tro l
R e g is te r
EB 400 Handbuch
Version 1.2.3
R e s e t
1
T e s t
3
P
P o rts
(s e rie lle
P
S S , S P I,
3 2
W a tc h -
d o g )
o
r
t
s
IR T -P L L -
7
In te rfa c e
3
S M I
7
R M II-
7
In te rfa c e
7
7