HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 585

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

15.3.4
The TIER registers are 16-bit registers that control enabling or disabling of interrupt requests for
each channel. The TPU has four TIER registers, one for each channel. The TIER registers are
initialized to H'0000 by a reset, but not initialized in standby mode, sleep mode or module
standby.
Bit
15 to 6 
5
4
3
2
Bit Name
TC1EU
TC1EV
TG1ED
TG1EC
Timer Interrupt Enable Registers (TIER)
Initial
Value
0
0
0
0
0
R/W
R
R/W
R/W
R/W
R/W
Description
Reserved
These bits are always read as 0 and cannot be modified.
Underflow Interrupt Enable
Enables or disables interrupt requests by the TCFU bit when
the TCFU bit in TSR is set to 1 in phase counting mode of
channels 2, and 3 (TCNT underflow).
In channels 0 and 1, bit 5 is reserved. It is always read as 0
and cannot be modified.
0: Interrupt requests by TCFU disabled
1: Interrupt requests by TCFU enabled
Overflow Interrupt Enable
Enables or disables interrupt requests by the TCFV bit when
the TCFV bit in TSR is set to 1 (TCNT overflow).
0: Interrupt requests by TCFV disabled
1: Interrupt requests by TCFV enabled
TGR Interrupt Enable D
Enables or disables interrupt requests by the TGFD bit when
the TGFD bit in TSR is set to (TCNT and TGRD compare
match).
0: Interrupt requests by TGFD disabled
1: Interrupt requests by TGFD enabled
TGR Interrupt Enable C
Enables or disables interrupt requests by the TGFC bit when
the TGFC bit in TSR is set to 1 (TCNT and TGRC compare
match).
0: Interrupt requests by TGFC disabled
1: Interrupt requests by TGFC enabled
Rev. 3.00 Jan. 18, 2008 Page 523 of 1458
Section 15
16-Bit Timer Pulse Unit (TPU)
REJ09B0033-0300