MC9S12C32CFAE16 Freescale Semiconductor, MC9S12C32CFAE16 Datasheet - Page 411
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MC9S12C32CFAE16
Manufacturer Part Number
MC9S12C32CFAE16
Description
IC MCU 32K FLASH 16MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheets
1.MC9S12GC16MFUE.pdf
(690 pages)
2.MC9S12C96CFUER.pdf
(26 pages)
3.MC9S12C32CFAE25.pdf
(2 pages)
Specifications of MC9S12C32CFAE16
Core Processor
HCS12
Core Size
16-Bit
Speed
16MHz
Connectivity
CAN, EBI/EMI, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
31
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Cpu Family
HCS12
Device Core Size
16b
Frequency (max)
16MHz
Interface Type
CAN/SCI/SPI
Total Internal Ram Size
2KB
# I/os (max)
31
Number Of Timers - General Purpose
8
Operating Supply Voltage (typ)
2.5/5V
Operating Supply Voltage (max)
2.75/5.5V
Operating Supply Voltage (min)
2.35/2.97V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
48
Package Type
LQFP
Package
48LQFP
Family Name
HCS12
Maximum Speed
16 MHz
Operating Supply Voltage
2.5|5 V
Data Bus Width
16 Bit
Number Of Programmable I/os
31
Number Of Timers
8
For Use With
CML12C32SLK - KIT STUDENT LEARNING 16BIT HCS12
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12C32CFAE16
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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13.5.2.2
The SCI only originates interrupt requests. The following is a description of how the SCI makes a request
and how the MCU should acknowledge that request. The interrupt vector offset and interrupt number are
chip dependent. The SCI only has a single interrupt line (SCI Interrupt Signal, active high operation) and
all the following interrupts, when generated, are ORed together and issued through that port.
13.5.2.2.1
The TDRE interrupt is set high by the SCI when the transmit shift register receives a byte from the SCI
data register. A TDRE interrupt indicates that the transmit data register (SCIDRH/L) is empty and that a
new byte can be written to the SCIDRH/L for transmission.Clear TDRE by reading SCI status register 1
with TDRE set and then writing to SCI data register low (SCIDRL).
13.5.2.2.2
The TC interrupt is set by the SCI when a transmission has been completed.A TC interrupt indicates that
there is no transmission in progress. TC is set high when the TDRE flag is set and no data, preamble, or
break character is being transmitted. When TC is set, the TXD pin becomes idle (logic 1). Clear TC by
reading SCI status register 1 (SCISR1) with TC set and then writing to SCI data register low (SCIDRL).TC
is cleared automatically when data, preamble, or break is queued and ready to be sent.
13.5.2.2.3
The RDRF interrupt is set when the data in the receive shift register transfers to the SCI data register. A
RDRF interrupt indicates that the received data has been transferred to the SCI data register and that the
byte can now be read by the MCU. The RDRF interrupt is cleared by reading the SCI status register one
(SCISR1) and then reading SCI data register low (SCIDRL).
13.5.2.2.4
The OR interrupt is set when software fails to read the SCI data register before the receive shift register
receives the next frame. The newly acquired data in the shift register will be lost in this case, but the data
already in the SCI data registers is not affected. The OR interrupt is cleared by reading the SCI status
register one (SCISR1) and then reading SCI data register low (SCIDRL).
13.5.2.3
The IDLE interrupt is set when 10 consecutive logic 1s (if M = 0) or 11 consecutive logic 1s (if M = 1)
appear on the receiver input. Once the IDLE is cleared, a valid frame must again set the RDRF flag before
an idle condition can set the IDLE flag. Clear IDLE by reading SCI status register 1 (SCISR1) with IDLE
set and then reading SCI data register low (SCIDRL).
13.5.3
The SCI interrupt request can be used to bring the CPU out of wait mode.
Freescale Semiconductor
Recovery from Wait Mode
Interrupt Descriptions
IDLE Description
TDRE Description
TC Description
RDRF Description
OR Description
MC9S12C-Family / MC9S12GC-Family
Chapter 13 Serial Communications Interface (S12SCIV2) Block Description
Rev 01.24
411
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