MC68HC912B32CFU8 Freescale Semiconductor, MC68HC912B32CFU8 Datasheet - Page 320
MC68HC912B32CFU8
Manufacturer Part Number
MC68HC912B32CFU8
Description
IC MCU 32K FLASH 8MHZ 80-QFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet
1.MCHC912B32CFUE8.pdf
(334 pages)
Specifications of MC68HC912B32CFU8
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
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC912B32CFU8
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC68HC912B32CFU8
Manufacturer:
FREESCALE
Quantity:
20 000
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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
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