MCHC912B32CFUE8 Freescale Semiconductor, MCHC912B32CFUE8 Datasheet - Page 320

• Manufacturer Part Number: MCHC912B32CFUE8
• Description: IC MCU 32K FLASH 8MHZ 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC12r

Specifications of MCHC912B32CFUE8

• 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
• Cpu Family: HC12
• Device Core Size: 16b
• Frequency (max): 8MHz
• Interface Type: SCI/SPI
• 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 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Package: 80PQFP
• Family Name: HC12
• Maximum Speed: 8 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 16 Bit
• Number Of Programmable I/os: 63
• Processor Series: HC912B
• Core: HC12
• Data Ram Size: 1 KB
• Maximum Clock Frequency: 8 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Development Tools By Supplier: M68EVB912B32E
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Specifications
19.14 Control Timing
320
Frequency of operation
E-clock period
Crystal frequency
External oscillator frequency
Processor control setup time
Reset input pulse width
Mode programming setup time
Mode programming hold time
Interrupt pulse width, IRQ edge-sensitive mode
Wait recovery startup time
Timer input capture pulse width
Pulse accumulator pulse width
1. RESET is recognized during the first clock cycle it is held low. Internal circuitry then drives the pin low for 16 clock cycles,
t
To guarantee external reset vector
Minimum input time (can be pre-empted by internal reset)
PW
t
PW
PCSU
WRS
releases the pin, and samples the pin level eight cycles later to determine the source of the interrupt.
IRQ
TIM
= 4 t
= t
= 2 t
= 2 t
cyc
cyc
Notes:
PT7
PT7
PT7–PT0
PT7–PT0
/2+ 20
cyc
cyc
1. Rising edge sensitive input
2. Falling edge sensitive input
1
2
+ 20
+ 20
(1)
(2)
(1)
Characteristic
PW
PW
TIM
PA
M68HC12B Family Data Sheet, Rev. 9.1
Figure 19-5. Timer Inputs
PW
Symbol
PW
PW
PW
t
f
t
t
PCSU
t
XTAL
2 f
WRS
t
MPS
MPH
cyc
f
RSTL
o
IRQ
TIM
o
PA
TBD
Min
125
270
270
82
32
10
dc
—
dc
—
2
4
8.0 MHz
Freescale Semiconductor
Max
16.0
16.0
8.0
—
—
—
—
—
—
—
—
—
4
MHz
MHz
MHz
Unit
t
t
t
ns
ns
ns
ns
ns
ns
cyc
cyc
cyc