MC68HC912B32VFU8 Freescale Semiconductor, MC68HC912B32VFU8 Datasheet - Page 325
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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19.15 Peripheral Port Timing
Freescale Semiconductor
Frequency of operation
E-clock period
Peripheral data setup time
Peripheral data hold time
Delay time, peripheral data write
Delay time, peripheral data write
E-clock frequency
MCU read of ports
t
MCU read of ports
MCU write to ports
MCU write to port CAN
PDSU
= t
cyc
PORT A
PORTS
ECLK
ECLK
/2 + 40
Characteristic
Figure 19-11. Port Write Timing Diagram
Figure 19-10. Port Read Timing Diagram
M68HC12B Family Data Sheet, Rev. 9.1
MCU READ OF PORT
PREVIOUS PORT DATA
MCU WRITE TO PORT
t
PDSU
Symbol
t
t
t
PDSU
t
PWD
PWD
t
PDH
cyc
f
o
t
t
PDH
PWD
Min
125
102
dc
—
—
0
NEW DATA VALID
8.0 MHz
Peripheral Port Timing
Max
8.0
40
71
—
—
—
MHz
Unit
ns
ns
ns
ns
ns
325
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