
Technical Data
MC68HC11E Family
—
Rev. 4
24
General Description
MOTOROLA
General Description
1.3 Features
Features of the E-series devices include:
M68HC11 CPU
Power-saving stop and wait modes
Low-voltage devices available (3.0
–
5.5 Vdc)
0, 256, 512, or 768 bytes of on-chip RAM, data retained during
standby
0, 12, or 20 Kbytes of on-chip ROM or EPROM
0, 512, or 2048 bytes of on-chip EEPROM with block protect for
security
2048 bytes of EEPROM with selectable base address in the
MC68HC811E2
Asynchronous non-return-to-zero (NRZ) serial communications
interface (SCI)
Additional baud rates available on MC68HC(7)11E20
Synchronous serial peripheral interface (SPI)
8-channel, 8-bit analog-to-digital (A/D) converter
16-bit timer system:
–
Three input capture (IC) channels
–
Four output compare (OC) channels
–
One additional channel, selectable as fourth IC or fifth OC
8-bit pulse accumulator
Real-time interrupt circuit
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