MC9S12E128CPVE Freescale Semiconductor, MC9S12E128CPVE Datasheet - Page 278

IC MCU 128K FLASH 25MHZ 112-LQFP

MC9S12E128CPVE

Manufacturer Part Number
MC9S12E128CPVE
Description
IC MCU 128K FLASH 25MHZ 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheets

Specifications of MC9S12E128CPVE

Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
EBI/EMI, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
91
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 2.75 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Processor Series
S12E
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
8 KB
Interface Type
SCI/SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
92
Number Of Timers
12
Operating Supply Voltage
3.135 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Minimum Operating Temperature
- 40 C
On-chip Adc
16-ch x 10-bit
On-chip Dac
2-ch x 8-bit
Controller Family/series
HCS12/S12X
No. Of I/o's
90
Ram Memory Size
8KB
Cpu Speed
25MHz
No. Of Timers
4
Embedded Interface Type
I2C, SCI, SPI
Rohs Compliant
Yes
For Use With
M68EVB912E128 - BOARD EVAL FOR MC9S12E128/64
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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Chapter 9 Serial Peripheral Interface (SPIV3)
9.1.3
Figure 9-1
registers, shifter logic, baud rate generator, master/slave control logic, and port control logic.
9.2
This section lists the name and description of all ports including inputs and outputs that do, or may, connect
off chip. The SPIV3 module has a total of four external pins.
9.2.1
This pin is used to transmit data out of the SPI module when it is configured as a master and receive data
when it is configured as slave.
278
Bus Clock
Interrupt
Request
SPI
External Signal Description
gives an overview on the SPI architecture. The main parts of the SPI are status, control, and data
Block Diagram
MOSI — Master Out/Slave In Pin
SPPR
SPI
SPI Baud Rate Register
Prescaler
SPI Control Register 1
SPI Control Register 2
Baud Rate Generator
SPI Status Register
SPI Data Register
Interrupt Control
SPIF
3
SPR
Clock Select
MODF
Counter
3
SPTEF
MC9S12E128 Data Sheet, Rev. 1.07
Figure 9-1. SPI Block Diagram
Baud Rate
LSBFE=1
LSBFE=0
8
8
Control
Control
Master
Slave
Master Baud Rate
Slave Baud Rate
MSB
2
2
Shifter
LSBFE=1
LSBFE=0
LSBFE=0
LSBFE=1
CPOL
Clock
Shift
Phase +
Polarity
Control
Phase +
Polarity
Control
LSB
CPHA
Sample
Clock
BIDIROE
SPC0
data out
SCK in
SCK out
data in
Control
Logic
Freescale Semiconductor
Port
MOSI
SCK
SS

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