MC68HC912B32VFU8 Freescale Semiconductor, MC68HC912B32VFU8 Datasheet - Page 320
MC68HC912B32VFU8
Manufacturer Part Number
MC68HC912B32VFU8
Description
Manufacturer
Freescale Semiconductor
Datasheet
1.MC68HC912B32VFU8.pdf
(334 pages)
Specifications of MC68HC912B32VFU8
Cpu Family
HC12
Device Core Size
16b
Frequency (max)
8MHz
Interface Type
SCI/SPI
Program Memory Type
EPROM
Program Memory Size
32KB
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 105C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
80
Package Type
PQFP
Lead Free Status / Rohs Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC912B32VFU8
Manufacturer:
MOTOROLA/摩托罗拉
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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