System Bus Description
Page 16 of 16 7482255 Rev 01 Siemens
October 2002
Table 2-10 Bus Summary
Bus Title Location Transfer Direction Speed Bits
CI-bus
Control Index Bus
E Module
(HW) 10 Mbps 01-bit
HS-bus
Hardware Signal Bus
E Module
(HW) 80 Mbps 15-bit
SI-bus
System Information Bus
E Module RD
WT
12 Mbps
12 Mbps
12-bit
12-bit
SI-bus (B)
System Information Bus (B)
E Module RD
WT
12 Mbps
12 Mbps
12-bit
12-bit
µP-bus
Host Microprocessor Bus
E Module RD
WT
64 Mbps
64 Mbps
46-bit
46-bit
FS-bus (C) Host Module to E Module Image data, trace data, ECG trigger, angle information, and
µP-bus
RD (HW)
WT
800 Mbps
400 Mbps
02-bit
01-bit
FS-bus (P) Host Module to DIMAQ-IP
Module
Image data, ECG trigger, angle information, and DIMAQ-IP
Module shutdown information
(HW) 400 Mbps
400 Mbps
01-bit
01-bit
SS-Bus (A) E Module: Third array port Control data (µP-bus), angle information, and frame synchro-
nization timing for 3D transducer
RD (HW)
WT
12 Mbps
12 Mbps
01-bit
01-bit
SS-Bus (E) E Module to ECG Module Control data (µP-bus) and ECG trigger signal RD (HW)
WT
12 Mbps
12 Mbps
01-bit
01-bit
SS-Bus (L) Host Module to Sub Con-
trol Panel (LCD Display)
Control data (µP-bus) for LCD display RD
WT
2 Mbps
2 Mbps
01-bit
01-bit
SS-Bus (M) E Module (Mechanical
Sector)
Control data (RS-422), angle information, and TX trigger tim-
ing for 3D mechanical sector
RD (HW)
WT
12 Mbps
12 Mbps
01-bit
01-bit