MC68HC11E0CFNE3 Datasheet, PDF (14/242 Pages) Freescale Semiconductor, Inc – M68HC11E Family

General Description
• Computer operating properly (COP) watchdog system
• 38 general-purpose input/output (I/O) pins:
– 16 bidirectional I/O pins
– 11 input-only pins
– 11 output-only pins
• Several packaging options:
– 52-pin plastic-leaded chip carrier (PLCC)
– 52-pin windowed ceramic leaded chip carrier (CLCC)
– 52-pin plastic thin quad flat pack, 10 mm x 10 mm (TQFP)
– 64-pin quad flat pack (QFP)
– 48-pin plastic dual in-line package (DIP), MC68HC811E2 only
– 56-pin plastic shrink dual in-line package, .070-inch lead spacing (SDIP)
1.3 Structure
See Figure 1-1 for a functional diagram of the E-series MCUs. Differences among devices are noted in
the table accompanying Figure 1-1.
1.4 Pin Descriptions
M68HC11 E-series MCUs are available packaged in:
• 52-pin plastic-leaded chip carrier (PLCC)
• 52-pin windowed ceramic leaded chip carrier (CLCC)
• 52-pin plastic thin quad flat pack, 10 mm x 10 mm (TQFP)
• 64-pin quad flat pack (QFP)
• 48-pin plastic dual in-line package (DIP), MC68HC811E2 only
• 56-pin plastic shrink dual in-line package, .070-inch lead spacing (SDIP)
Most pins on these MCUs serve two or more functions, as described in the following paragraphs. Refer
to Figure 1-2, Figure 1-3, Figure 1-4, Figure 1-5, and Figure 1-6 which show the M68HC11 E-series pin
assignments for the PLCC/CLCC, QFP, TQFP, SDIP, and DIP packages.
M68HC11E Family Data Sheet, Rev. 5.1
14
Freescale Semiconductor