MC908AP32CFBE Freescale, MC908AP32CFBE Datasheet - Page 236
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MC908AP32CFBE
Manufacturer Part Number
MC908AP32CFBE
Description
Manufacturer
Freescale
Datasheet
1.MC908AP32CFBE.pdf
(324 pages)
Specifications of MC908AP32CFBE
Cpu Family
HC08
Device Core Size
8b
Frequency (max)
8MHz
Interface Type
SCI/SPI
Total Internal Ram Size
2KB
# I/os (max)
32
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
44
Package Type
PQFP
Program Memory Type
Flash
Program Memory Size
32KB
Lead Free Status / RoHS Status
Compliant
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Multi-Master IIC Interface (MMIIC)
14.6.1
MMAD[7:1] — Multi-Master Address
MMEXTAD — Multi-Master Expanded Address
234
These seven bits represent the MMIIC interface’s own specific slave address when in slave mode, and
the calling address when in master mode. Software must update MMAD[7:1] as the calling address
while entering master mode and restore its own slave address after master mode is relinquished. This
register is cleared as $A0 upon reset.
This bit is set to expand the address of the MMIIC in slave mode. When set, the MMIIC will
acknowledge the following addresses from a calling master: $MMAD[7:1], 0000000, and 0001100.
Reset clears this bit.
For example, when MMADR is configured as:
The MMIIC module will respond to the calling address:
or the general calling address:
or the calling address:
Note that bit-0 of the 8-bit calling address is the MMRW bit from the calling master.
1 = MMIIC responds to the following calling addresses:
0 = MMIIC responds to address $MMAD[7:1]
MMIIC
$MMAD[7:1], 0000000, and 0001100.
Address:
Reset:
Read:
Write:
Address Register (MMADR)
MMAD7
Bit 7
Bit 7
1
1
0
0
MMAD7
$0048
Bit 7
1
Figure 14-4. MMIIC Address Register (MMADR)
MMAD6
1
6
1
0
6
0
MMAD6
6
0
MC68HC908AP Family Data Sheet, Rev. 4
MMAD5
0
5
0
0
5
0
MMAD5
5
1
MMAD4
1
4
1
0
4
1
MMAD4
4
0
MMAD3
0
3
0
0
3
1
MMAD3
3
0
MMAD2
1
2
1
0
2
0
MMAD2
2
0
MMAD1
Bit 1
Bit 1
0
0
0
0
MMAD1
1
0
MMEXTAD
1
Freescale Semiconductor
MMEXTAD
Bit 0
0
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