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24.4
Interrupt Sources
An interrupt source of the SCI2 is transmission cutoff by completion of transmission and the
&6
pin, to which different vector addresses are assigned.
On completion of data transfer, TEI of SCSR2 is set to 1, and transfer-end interrupt request is
generated. This interrupt can specify enable/disable by setting TEIE of SCR2.
While PMR30 of PMR3 is set to 1, transfer is cut off when the
&6 pin enters a high level during
data transfer, and ABT of SCSR2 is set to 1 and then transfer cutoff interrupt request is
generated.
This interrupt can specify enable/disable by setting ABTIE of SCR2. In the case of transfer
cutoff by the
&6 pin, overrun error, and read/write to serial data buffer during transfer and in the
&6 standby mode, ABT, ORER, and WT of the SCSR2 is set to 1, respectively. These bits
allow to determine error factors.
Summary of Contents for Hitachi H8S/2191
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