Datasheet

PGA400 EVM User Guide
TI CONFIDENTIAL – NDA Restrictions
Page 40 of 50
7.7.3.2 Read OC1
The “Read” button in the OC1 region is used to update the text box with the contents of the
output compare registers by reading ESFRs 0xC5 and 0xC6.
7.7.3.3 Set OC1
The “Set” button in the OC1 region is used to set the value in the Output Compare 1 register by
writing to ESFR 0xC5 and 0xC6.
7.7.4 Output Compare 2 Region
The “Output Compare 2 Region” is used to activate and set/read the Output Compare 2
peripheral in the PGA400-Q1.
7.7.4.1 Activate OC2
The “Activate OC2” button activates the Output Compare 2 function in the PGA400-Q1 by
controlling bit 3 of ESFR 0xC7.
7.7.4.2 Read OC2
The “Read” button in the OC2 region is used to update the text box with the contents of the
output compare registers by reading ESFRs 0xC9 and 0xCA.
7.7.4.3 Set OC2
The “Set” button in the OC2 region is used to set the value in the Output Compare 2 register by
writing to ESFR 0xC9 and 0xCA.
7.7.5 No Change / Low Level / High Level Selection Box
The “No Change / Low Level / High Level” selection box is used to control the level that both the
OC1 and OC2 peripherals use for the output compare functions. This is achieved by controlling
bits 3 and 4 of ESFR 0xC0.
7.7.6 Free Running Timer Region
The “Free Running Timer” region of the IC/OC tab is used to monitor the Free Running Timer in
the PGA400-Q1.
7.7.6.1 Update Free Running Timer
The “Update Free Running Timer” button is used to populate the textbox in the “Free Running
Timer” region with the contents of the PGA400-Q1 Free Running Timer.
7.7.6.2 10MHz / 20MHz Selection Box
The “10MHz / 20MHz” selection box is used to select between a 10MHz and 20MHz Free
Running Timer inside the PGA400-Q1 by controlling bit 0 of ESFR 0xC0.