MC68HC912B32CFU8 Freescale Semiconductor, MC68HC912B32CFU8 Datasheet - Page 191
MC68HC912B32CFU8
Manufacturer Part Number
MC68HC912B32CFU8
Description
IC MCU 32K FLASH 8MHZ 80-QFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet
1.MCHC912B32CFUE8.pdf
(334 pages)
Specifications of MC68HC912B32CFU8
Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
63
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
768 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC912B32CFU8
Manufacturer:
Freescale Semiconductor
Quantity:
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Part Number:
MC68HC912B32CFU8
Manufacturer:
FREESCALE
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Chapter 14
Serial Interface
14.1 Introduction
Each serial pin shares function with the general-purpose port pins of port S. The SCI is an NRZ
(non-return to zero) type system that is compatible with standard RS-232 systems. The SCI system has
a single-wire operation mode which allows the unused pin to be available as general-purpose I/O. The
SPI subsystem, which is compatible with the M68HC11 SPI, includes new features such as SS output
and bidirectional mode.
Freescale Semiconductor
•
•
•
The serial interface of the MCU consists of two independent serial input/output (I/O) subsystems:
Serial communication interface (SCI)
Serial peripheral interface (SPI)
INTERFACE
SERIAL
Figure 14-1. Serial Interface Block Diagram
M68HC12B Family Data Sheet, Rev. 9.1
SCI
SPI
I/O
MOSI/MOMI
MISO/SISO
CS/SS
SCK
RxD
TxD
I/O
I/O
PS0
PS1
PS2
PS3
PS4
PS5
PS6
PS7
191
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