Siemens SPC3 Specifiche Pagina 12

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SchnittStellenCenter
DPC31 HW
Page 10 Version V 1.0
DPC31 HW Description
12/00 Copyright (C) Siemens AG 2000. All rights reserved.
Port H
SB SB,
Port G Port F
AB
7..
DB
7..
Port E
B-Type
µ
P-Int
PG
7..
PH
2..
PE
7..
PF
7..
I/O-Int
Bus Interface
(
Intel
,
Motorola
,
I/O
)
88833
Port D
SB, I/O AB
15.
Port C Port B
Reset
BootTyp
1..0
DBX
Communication
RAM
(
5.5-0.5k
)
Code RAM (0-4k)
for C31
synchronasynchron
Clkout1X2
Clkout1X4
Vdd
Vss
Test
XPLLE
N
12 MHz
I/O
AB/DB
7..
Port ASB
Mem-Exp.
-PD
4..
-PB
7..
I/O Interf.
RAM
6kByte)
Register Cells
(DPS Control Units)
Multiport
RAM
Controller
Send-Receive-
Unit
Ph
y
sics Unit
C31 Core
Timer UnitPLL +
Clock-Unit
Sequence
Control
RAM
(256 x 8)
ROM
(24k x 8)
ROM
Interrupt
Controller
Interrupt
Controller
C31 Interface
(
Emulator Port
)
88
88
11
1
4
SSC
Interface
(SPI)
3 4
42 21 3
Vdd/Vss
13
Figure 2.3-1: Block Diagram DPC31
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