WM9713L_06 WOLFSON [Wolfson Microelectronics plc], WM9713L_06 Datasheet - Page 67

• Manufacturer Part Number: WM9713L_06
• Description: AC 97 Audio + Touchpanel CODEC
• Manufacturer: WOLFSON [Wolfson Microelectronics plc]

Pre-Production
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Figure 24 Touchpanel Conversion Flow Diagram
If the SLEN bit is set to ‘1’, then the touchpanel data appears on the AC-Link slot selected by the
SLT control bits, as shown below. The Slot 0 ‘tag’ bit corresponding to the selected time slot is
asserted whenever there is new data on that slot.
Table 51 Returning Touchpanel Data Through an AC-Link Time Slot
POLL (74h)
CTC (74h)
COO (74h)
ADCSEL (74H)
76h
REGISTER
ADDRESS
3
2:0
BIT
SLEN
SLT
Starts a single measurement
Starts a co-ordinate measurement at specified conversion rate
Enables Co-Ordinate mode
Specifies the type of measurement to be made
LABEL
0
110
DEFAULT
Slot Readback Enable
0: Disabled (readback through register only)
1: Enable (readback slot selected by SLT)
AC’97 Slot Selection for Touchpanel Data
000: Slot 5
001: Slot 6
…
101: Slot 10
110: Slot 11
111: RESERVED
DESCRIPTION
PP Rev 3.0 June 2006
WM9713L
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