MC68HC912B32VFU8 Freescale Semiconductor, MC68HC912B32VFU8 Datasheet - Page 191
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MC68HC912B32VFU8
Manufacturer Part Number
MC68HC912B32VFU8
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC912B32VFU8.pdf
(334 pages)
Specifications of MC68HC912B32VFU8
Cpu Family
HC12
Device Core Size
16b
Frequency (max)
8MHz
Interface Type
SCI/SPI
Program Memory Type
EPROM
Program Memory Size
32KB
Total Internal Ram Size
1KB
# I/os (max)
63
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 105C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
80
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC912B32VFU8
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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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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