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Register Event_Control_Timer_2 Details<br />

Field Name Bits Type Reset Value Description<br />

Register (ttc) Event_Control_Timer_3<br />

Register Event_Control_Timer_3 Details<br />

Register (ttc) Event_Register_1<br />

Appendix B: Register Details<br />

E_Ov 2 rw 0x0 When this bit is low, the event timer is disabled<br />

and set to zero when an Event Timer Register<br />

overflow occurs; when set high, the timer<br />

continues counting on overflow.<br />

E_Lo 1 rw 0x0 When this bit is high, the timer counts pclk cycles<br />

during the low level duration of ext_clk; when<br />

low, the event timer counts the high level duration<br />

of ext_clk.<br />

E_En 0 rw 0x0 Enable timer: when this bit is high, the event timer<br />

is enabled.<br />

Name Event_Control_Timer_3<br />

Relative Address 0x00000074<br />

Absolute Address ttc0: 0xF8001074<br />

ttc1: 0xF8002074<br />

Width 3 bits<br />

Access Type rw<br />

Reset Value 0x00000000<br />

Description Enable, pulse and overflow<br />

Field Name Bits Type Reset Value Description<br />

E_Ov 2 rw 0x0 When this bit is low, the event timer is disabled<br />

and set to zero when an Event Timer Register<br />

overflow occurs; when set high, the timer<br />

continues counting on overflow.<br />

E_Lo 1 rw 0x0 When this bit is high, the timer counts pclk cycles<br />

during the low level duration of ext_clk; when<br />

low, the event timer counts the high level duration<br />

of ext_clk.<br />

E_En 0 rw 0x0 Enable timer: when this bit is high, the event timer<br />

is enabled.<br />

Name Event_Register_1<br />

Relative Address 0x00000078<br />

<strong>Zynq</strong>‐<strong>7000</strong> EPP Technical Reference Manual www.xilinx.com 1604<br />

UG585 (v1.2) August 8, 2012

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