S912XEG128J2MAL Freescale Semiconductor, S912XEG128J2MAL Datasheet - Page 773
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S912XEG128J2MAL
Manufacturer Part Number
S912XEG128J2MAL
Description
16-bit Microcontrollers - MCU 16BIT 128K FLASH 16K RAM
Manufacturer
Freescale Semiconductor
Datasheet
1.S912XEG128J2MAL.pdf
(1324 pages)
Specifications of S912XEG128J2MAL
Rohs
yes
Core
RISC
Processor Series
HCS12X
Data Bus Width
16 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
128 KB
Data Ram Size
12 KB
On-chip Adc
Yes
Operating Supply Voltage
5 V
Operating Temperature Range
- 40 C to + 125 C
Package / Case
LQFP-112
Mounting Style
SMD/SMT
A/d Bit Size
12 bit
A/d Channels Available
8
Data Rom Size
4 KB
Interface Type
CAN, I2C, SCI, SPI
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
On-chip Dac
Yes
Program Memory Type
Flash
Supply Voltage - Max
5.5 V
Supply Voltage - Min
3.13 V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
S912XEG128J2MAL
Manufacturer:
NXP/恩智浦
Quantity:
20 000
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21.4
The SPI module allows a duplex, synchronous, serial communication between the MCU and peripheral
devices. Software can poll the SPI status flags or SPI operation can be interrupt driven.
The SPI system is enabled by setting the SPI enable (SPE) bit in SPI control register 1. While SPE is set,
the four associated SPI port pins are dedicated to the SPI function as:
Freescale Semiconductor
•
•
•
•
Receive Shift Register
Receive Shift Register
Slave select (SS)
Serial clock (SCK)
Master out/slave in (MOSI)
Master in/slave out (MISO)
SPI Data Register
SPI Data Register
Functional Description
SPIF
SPIF
Data A Received
Data A Received
Figure 21-10. Reception with SPIF serviced too late
Figure 21-9. Reception with SPIF serviced in Time
= Unspecified
= Unspecified
MC9S12XE-Family Reference Manual Rev. 1.25
Data A
Data A
Data A
Data A
= Reception in progress
= Reception in progress
Data B Received
Data B Received
Data B
Data B
Chapter 21 Serial Peripheral Interface (S12SPIV5)
SPIF Serviced
Data B Lost
SPIF Serviced
Data B
Data C Received
Data C Received
Data C
Data C
Data C
Data C
773
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