TC1796
Peripheral Units (Vol. 2 of 2)
Micro Second Channel (MSC)
User’s Manual 21-76 V2.0, 2007-07
MSC, V2.0
21.3.5 On-Chip Connections
This section describes the on-chip connections of the MSC0/MSC1 modules.
21.3.5.1 EMGSTOPMSC Signal (from SCU)
The emergency stop input signals EMGSTOPMSC of both MSC modules are connected
to the output signal of the emergency stop input control logic. This logic is located in the
SCU. Its functionality is controlled by the SCU emergency stop register.
Note: Further details of the emergency stop capabilities are described in Section 5.10
on Page 5-57 of the TC1796 System Units User’s Manual (Volume 1).
21.3.5.2 ALTINH and ALTINL Connections
In the TC1796, output lines of GPTA0, GPTA1, and LTCA2 are connected to ALTINH
and ALTINL inputs of the MSC0/MSC1 downstream channels as shown in Figure 21-32.
The setting of the GPTA-to-MSC multiplexer determines which output of the three GPTA
sub-modules is connected to a specific ALTINL/ALTINH line. Details about the
functionality of the GPTA-to-MSC multiplexer is given in the GPTA chapter, section
“GPTA-to-MSC Multiplexer” on Page 24-257.
Please note that the upper eight MSC1 input lines ALTINH[15:8] are connected to logic 0
level.
Figure 21-32 ALTINL/ALTINH Connections of the MSC0/MSC1
MCA05826
ALTINL[15:0]
GPTA-to-MSC
Multiplexer
ALTINH[15:0]
GPTA0
GPTA1
LTCA2
GPTA
MSC1
ALTINH[15:8]
ALTINL[15:0]
ALTINH[7:0]
0
MSC0
Control
Data
Data
Data
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