MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 946

• Manufacturer Part Number: MPC555CME
• Description: KIT EVALUATION FOR MPC555
• Manufacturer: Freescale Semiconductor
• Type: Microcontrollerr

Specifications of MPC555CME

• Contents: Module Board, Installation Guide, Power Supply, Cable, Software and more
• Processor To Be Evaluated: MPC555
• Data Bus Width: 32 bit
• Interface Type: RS-232
• For Use With/related Products: MPC555
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

G.21.4 MPIOSM Timing Characteristics
MPC555 / MPC556
USER’S MANUAL
MPIOSM Input Pin Period
MPIOSM Pin Low Time
MPIOSM Pin High Time
Input Pin to MPIOSM_DR Delay
Output Pulse Width
NOTES:
1. The minimum input pin period, pin low and pin high times depend on the rate at which the MPIOSM_DR reg-
2. The minimum output pulse width depends on how quickly the CPU updates the value inside the
MPIOSM input pins
ister is polled.
MIOPSM_DR register. The MPC555 RCPU core takes six clock cycles to access the MIOPSM_DR register,
therefore the minimum output pulse will be 12 IMB clocks.
MPIOSM_DR
Figure G-50 MPIOSM Input Pin to MPIOSM_DR (Data Register)
Characteristic
2
f
SYS
Table G-25 MPIOSM Timing Characteristics
FFA5
ELECTRICAL CHARACTERISTICS
(All delays are in IMB clock periods.)
Rev. 15 October 2000
FFA5
Timing Diagram
t
PDR
Output Mode
Input Mode
Symbol
t
t
t
t
PULW
PPER
t
PDR
PLO
PHI
005A
005A
Min
—
—
—
—
0
1
1
1
2
Max
—
—
—
—
1
MOTOROLA
G-68