MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 688

• 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

19.9 Pin Descriptions
19.9.1 E
MPC555
USER’S MANUAL
Figure 19-6
The CMF modules use the following pins:
The EPEE bit monitors the state of the external program/erase enable, E
has a digital filter that requires two consecutive samples to be equal before the output
of the filter changes. The CMF samples E
E
PEE
• T1: Cleared censorship to no censorship
• T2: No censorship to information censorship
• T3: Information censorship, no censorship or unknown to cleared censorship
• T4: Cleared censorship to information censorship
• E
• V
• V
• V
/
Set CENSOR[0] or CENSOR[1].
Set CENSOR[0] and CENSOR[1].
clear CENSOR[0:1]. This is done only while the entire CMF array is erased.
Set both CENSOR[0] and CENSOR[1].
PEE
state until EHV is negated. This is shown in
MPC556
PEE
PP
DDF
SSF
Digital Filter
EPEE Pin’s
EPEE Pin = 0
Signal
Output = 0
Output = 1
Pin Filter
Pin Filter
@ ↑T2
illustrates the following CENSOR[0:1] transitions:
Figure 19-7 EPEE Digital Filter and Latch
EPEE Pin = 1
EPEE Pin = 0
EPEE Pin = 1
EPEE Pin = 0
@ ↑T2
@ ↑T2
@ ↑T2
@ ↑T2
CDR MoneT FLASH EEPROM
Rev. 15 October 2000
EPEE Pin = 1
Output = 0
Output = 1
Pin Filter
Pin Filter
@ ↑T2
PEE
when EHV is asserted and holds the
Figure
19-7.
In
Latch
EHV
Out
PEE
EPEE
MOTOROLA
pin. E
19-36
PEE