
Electrical Characteristics
Data Sheet
M68HC11E Family — Rev. 5
180
Electrical Characteristics
MOTOROLA
Figure 10-8. Port Write Timing Diagram
Figure 10-9. Simple Input Strobe Timing Diagram
Figure 10-10. Simple Output Strobe Timing Diagram
Figure 10-11. Port C Input Handshake Timing Diagram
t
PWD
t
E
E
MCU WRITE TO PORT B
PREVIOUS PORT DATA
NEW DATA VALID
STRB (OUT)
PORT B
t
DEB
t
PORT C INPUT HNDSHK TIM
E
PORT C (IN)
t
DEB
STRB (0UT)
READ PORTCL
(1)
t
DEB
t
“READY”
2. Figure shows rising edge STRA (EGA = 1) and high true STRB (INVB = 1).
t
AES
t
t
t
IS
t
IH
t
IH
E
STRA (IN)
Notes:
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.