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WA_DEV_W218_PTS_002 Rev 005 Page 5 of 109
Product Technical Specification &
Customer Design Guidelines
Rev
Date
List of Updates
§ 5.5.3: Added this section.
Made grammatical and other punctuation corrections throughout the
document.
Updated links and references.
§ 3.8: Changed the number of General Purpose I/Os from 11 to 3.
§ 3.9.2 Added a Caution box after the table.
§ 3.10.4.1.1 and 3.104.1.2: Removed the GND within the WISMO218 in the
figures (figures 15, 16, 17 and 18)
§ 3.10.5.5: Added additional information in the Caution box regarding the ESD
sensitivity of the audio interface.
§ 5.2.2: Changed the recommended connection when not in use value from
“open” to “Ground” for pin #5, AUX-ADC0.
§ 3.10.5.5:
Separated the audio track figure and the differential connection figure
Labeled the differential connection figure as Figure 21
Added Figure 22: single-ended audio connection
§ 5.4: Updated the Class B temperature range from -30 to +75 to -40 to +85.
§ 5.5.3: Updated the figure to display it rotated 90 degrees counterclockwise.
Updated text wording, checked for spelling and grammar, updated links and
captions throughout the document.
§ 3.2.2: Updated the value of VBATT’s Ripple max.
§ 3.10.1.1: Updated table values.
§ 3.10.2.1.1: Updated table values.
§ 3.10.4.1.1: Deleted the description for Z2.
§ 3.13.3.1: Changed “de-assert” to “release” (re: recommendation for the
ON/~OFF signal)
§ 3.14: Updated reference to section 3.13.3.1.
§ 4.1.4: Updated Caution text.
§ 3.10.1: Updated the DC equivalent circuit.
§ 3.10.1.1: Updated the table values and notes section.
§ 3.10.4.1.1 and 3.10.4.1.2: Updated figures from 2.85V to 2.4V
§ 3.13.3.1: Updated figure and included the T
ready
table just beneath the
figure.
§ 3.17.3: Updated figure and updated descriptive text below the figure.
§ 3.13.3.1: Updated the figure to include ramp up time of VBAT.
August 12, 2009
Updated the Pin Description table (Table 7) of the Main Serial Link (UART)
subsection of section 3: Interfaces.
Added List of Figures and List of Tables.
September 10, 2009
Updated Figure 31.
Added T
rampup
values in the Power on sequence table.
Added Figure 46.
Moved Recommended PCB Landing Pattern after Figure 47.