mc68hc908qz16 Freescale Semiconductor, Inc, mc68hc908qz16 Datasheet - Page 181

• Manufacturer Part Number: mc68hc908qz16
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 15
Enhanced Serial Communications Interface (ESCI) Module
15.1 Introduction
The enhanced serial communications interface (ESCI) module allows asynchronous communications
with peripheral devices and other microcontroller units (MCU).
15.2 Features
Features include:
Freescale Semiconductor
•
•
•
•
•
•
•
•
•
•
•
•
Full-duplex operation
Standard mark/space non-return-to-zero (NRZ) format
Programmable baud rates
Programmable 8-bit or 9-bit character length
Separately enabled transmitter and receiver
Separate receiver and transmitter central processor unit (CPU) interrupt requests
Programmable transmitter output polarity
Two receiver wakeup methods:
–
–
Interrupt-driven operation with eight interrupt flags:
–
–
–
–
–
–
–
–
Receiver framing error detection
Hardware parity checking
1/16 bit-time noise detection
Idle line wakeup
Address mark wakeup
Transmitter empty
Transmission complete
Receiver full
Idle receiver input
Receiver overrun
Noise error
Framing error
Parity error
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
181