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10.3.4
Timer Interrupt Enable Register (TIER)
The TIER registers are 8-bit readable/writable registers that control enabling or disabling of
interrupt requests for each channel. The TPU has six TIER registers, one for each channel.
Bit Bit
Name Initial
value R/W Description
7
TTGE
0
R/W
A/D Conversion Start Request Enable
Enables or disables generation of A/D conversion
start requests by TGRA input capture/compare
match.
0: A/D conversion start request generation disabled
1: A/D conversion start request generation enabled
6
1
Reserved
This bit is always read as 1 and cannot be modified.
5
TCIEU
0
R/W
Underflow Interrupt Enable
Enables or disables interrupt requests (TCIU) by the
TCFU flag when the TCFU flag in TSR is set to 1 in
channels 1, 2, 4, and 5.
In channels 0 and 3, bit 5 is reserved. It is always
read as 0 and cannot be modified.
0: Interrupt requests (TCIU) by TCFU disabled
1: Interrupt requests (TCIU) by TCFU enabled
4
TCIEV
0
R/W
Overflow Interrupt Enable
Enables or disables interrupt requests (TCIV) by the
TCFV flag when the TCFV flag in TSR is set to 1.
0: Interrupt requests (TCIV) by TCFV disabled
1: Interrupt requests (TCIV) by TCFV enabled
3
TGIED
0
R/W
TGR Interrupt Enable D
Enables or disables interrupt requests (TGID) by the
TGFD bit when the TGFD bit in TSR is set to 1 in
channels 0 and 3.
In channels 1, 2, 4, and 5, bit 3 is reserved. It is
always read as 0 and cannot be modified.
0: Interrupt requests (TGID) by TGFD bit disabled
1: Interrupt requests (TGID) by TGFD bit enabled
Содержание H8S/2627
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