XC912BC32CFU8 Motorola Semiconductor Products, XC912BC32CFU8 Datasheet - Page 352

• Manufacturer Part Number: XC912BC32CFU8
• Description: M68HC12B Family Data Sheet
• Manufacturer: Motorola Semiconductor Products

Electrical Specifications
19.15 Peripheral Port Timing
Data Sheet
352
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
PORT A
PORTS
cyc
ECLK
ECLK
/2 + 40
Characteristic
Figure 19-10. Port Read Timing Diagram
Figure 19-11. Port Write Timing Diagram
MCU READ OF PORT
PREVIOUS PORT DATA
MCU WRITE TO PORT
Electrical Specifications
t
PDSU
Symbol
t
t
t
PDSU
t
t
PWD
PWD
PDH
cyc
f
o
t
t
PDH
PWD
M68HC12B Family — Rev. 8.0
Min
125
102
dc
—
—
0
NEW DATA VALID
8.0 MHz
Max
8.0
—
—
—
40
71
MOTOROLA
MHz
Unit
ns
ns
ns
ns
ns