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| XC164-16 Datasheet, PDF (281/417 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller with C166SV2 Core Volume 2 (of 2): Peripheral Units | |||
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XC164-16 Derivatives
Peripheral Units (Vol. 2 of 2)
Asynchronous/Synchronous Serial Interface (ASC)
19.9
Interfaces of the ASC Modules
In the XC164 the ASC modules are connected to IO ports and other internal modules
according to Figure 19-21 and Figure 19-22.
The input/output lines of ASC0 and ASC1 are connected to pins of Ports P3. The
6 interrupt request lines of each module are connected to the Interrupt Control Block.
Clock control and emulation control of the SSC Module is handled by the System Control
Unit, SCU.
System
Control
Unit (SCU)
fASC
ASC0DIS
Interrupt
Control
Block
S0TIRQ
S0RIRQ
S0EIRQ
S0TBIRQ
S0ABIRQ1
S0ABIRQ2
ASC0
Module
S0RxD
S0TxD
Port P3
Control
Figure 19-21 ASC0 Module Interfaces
P3.11/RxDA0
P3.10/TxDA0
MCA05452
System
Control
Unit (SCU)
fASC
ASC1DIS
Interrupt
Control
Block
S1TIRQ
S1RIRQ
S1EIRQ
S1TBIRQ
S1ABIRQ1
S1ABIRQ2
ASC1
Module
S1RxD
S1TxD
Port P3
Control
Figure 19-22 ASC1 Module Interfaces
P3.1/RxDA1
P3.0/TxDA1
MCA05453
Userâs Manual
ASC_X, V2.0
19-56
V2.1, 2004-03
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