MC908AP32CFBE Freescale, MC908AP32CFBE Datasheet - Page 244

• Manufacturer Part Number: MC908AP32CFBE
• Manufacturer: Freescale

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

Multi-Master IIC Interface (MMIIC)
14.7.1 Data Sequence
242
(a) Master Transmit Mode
(b) Master Receive Mode
(c) Slave Transmit Mode
(d) Slave Receive Mode
Figure 14-12. Data Transfer Sequences for Master/Slave Transmit/Receive Modes
Shaded data packets indicate transmissions by the MCU
MMTXBE=0
MMRW=0
MMAST=1
Data1 → MMDTR
MMRXBF=0
MMRW=1
MMAST=1
MMTXBE=0
(dummy data → MMDTR)
MMTXBE=1
MMRXBF=0
MMTXBE=0
MMRXBF=0
START
START
START
START
Address
Address
Address
Address
MMRXIF=1
MMRXBF=1
MMATCH=1
MMSRW=0
MMTXBE=1
MMTXIF=1
Data2 → MMDTR
MMRXIF=1
MMRXBF=1
MMATCH=1
MMSRW=1
Data1 → MMDTR
MC68HC908AP Family Data Sheet, Rev. 4
0
1
1
0
ACK
ACK
ACK
ACK
TX Data1
RX Data1
TX Data1
RX Data1
MMTXBE=1
MMTXIF=1
Data2 → MMDTR
MMTXBE=1
MMTXIF=1
Data3 → MMDTR
Data1 → MMDRR
MMRXIF=1
MMRXBF=1
Data1 → MMDRR
MMRXIF=1
MMRXBF=1
ACK
ACK
ACK
ACK
DataN+2 → MMDTR
DataN+2 → MMDTR
RX DataN
RX DataN
TX DataN
TX DataN
DataN → MMDRR
DataN → MMDRR
MMTXBE=1
MMRXBF=1
MMRXBF=1
MMTXBE=1
MMRXIF=1
MMRXIF=1
MMTXIF=1
MMTXIF=1
Freescale Semiconductor
ACK
NAK
NAK
ACK
MMNAKIF=1
MMAST=0
MMTXBE=0
MMNAKIF=1
MMAST=0
MMNAKIF=1
MMTXBE=0
STOP
STOP
STOP
STOP