mc68hc908gr8vp Freescale Semiconductor, Inc, mc68hc908gr8vp Datasheet - Page 162
mc68hc908gr8vp
Manufacturer Part Number
mc68hc908gr8vp
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908GR8VP.pdf
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Serial Communications Interface (SCI)
18.3 Pin Name Conventions
The generic names of the SCI I/O pins are:
SCI I/O (input/output) lines are implemented by sharing parallel I/O port pins. The full name of an SCI
input or output reflects the name of the shared port pin.
names of the SCI I/O pins.
The generic pin names appear in the text of this chapter.
18.4 Functional Description
Figure 18-1
communication among the MCU and remote devices, including other MCUs. The transmitter and receiver
of the SCI operate independently, although they use the same baud rate generator. During normal
operation, the CPU monitors the status of the SCI, writes the data to be transmitted, and processes
received data.
The baud rate clock source for the SCI can be selected via the configuration bit, SCIBDSRC, of the
CONFIG2 register ($001E).
162
•
•
RxD (receive data)
TxD (transmit data)
shows the structure of the SCI module. The SCI allows full-duplex, asynchronous, NRZ serial
Generic Pin Names:
Full Pin Names:
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
Table 18-1. Pin Name Conventions
PE1/RxD
Table 18-1
RxD
shows the full names and the generic
PE0/TxD
TxD
Freescale Semiconductor
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