The SCC2698B Octal UART is an enhanced version of the
SCC2698A. The SCC2698B is upwardly compatible from the
SCC2698A in its pinout and functionality. The major differences are
summarized below:
The A version is identified on the product marking and on the data
sheet’s ordering code as SCC2698AC1 xyy; where xyy identifies the
package type and pin count (N64 tor 64–plastic DIL and A44 for
84–pin PLCC). The B version is identified as SCC2698Bt1xyy;
where xyy identifies the packaging and t identifies the operating
temperature range (C for 0° to 70°C and A for –40°C to +85°C).
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