UG-498
ADuCM320 Hardware Reference Manual
Rev. C | Page 168 of 196
Clear Interrupt Register
Address: 0x4000258C, Reset: 0x0000, Name: T3CLRI
Table 246. Bit Descriptions for T3CLRI
Bits
Bit Name
Description
Reset
Access
[15:0]
CLRWDG
Clear watchdog. User writes 0xCCCC to reset/reload/restart T3 or clear IRQ. A
write of any other value causes a watchdog reset. Write only, reads 0. Do not
write to this register if using the timer in IRQ mode.
0x0
W
Status Register
Address: 0x40002598, Reset: 0x0000, Name: T3STA
Table 247. Bit Descriptions for T3STA
Bits
Bit Name
Description
Reset
Access
[15:5]
RESERVED
Reserved.
0x0
R
4
LOCK
Lock status bit. Set automatically in hardware if T3CON[5] has been set by user
code. Cleared by default and until user code sets T3CON[5].
0x0
R
3
CON
T3CON write sync in progress.
0x0
R
0: internal bus and T3 clock domains T3CON configuration values match
1: internal bus T3CON register values are being synchronized to T3 clock domain
2
LD
T3LD write sync in progress.
0x0
R
0: internal bus and T3 clock domains T3LD values match
1: internal bus T3LD value is being synchronized to T3 clock domain
1
CLRI
T3CLRI write sync in progress.
0x0
R
0: internal bus T3CLRI write sync not done
1: internal bus T3CLRI write is being synced to T3 clock domain. T3 is restarted
(if 0xCCCC was written) when sync is complete
0
IRQ
WDT interrupt.
0x0
R
0: T3 interrupt not pending
1: T3 interrupt pending