MC908AP32CFBER Freescale Semiconductor, MC908AP32CFBER Datasheet - Page 237
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MC908AP32CFBER
Manufacturer Part Number
MC908AP32CFBER
Description
IC MCU 32K FLASH 8MHZ 44-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Specifications of MC908AP32CFBER
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SCI, SPI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFP
Controller Family/series
HC08
No. Of I/o's
32
Ram Memory Size
2KB
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
I2C, SCI, SPI
Rohs Compliant
Yes
Processor Series
HC08AP
Core
HC08
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908AP64E, M68CBL05CE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908AP32CFBER
Manufacturer:
FREESCALE
Quantity:
5 000
Company:
Part Number:
MC908AP32CFBER
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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14.6.2
MMEN — MMIIC Enable
MMIEN — MMIIC Interrupt Enable
MMCLRBB — MMIIC Clear Busy Flag
MMTXAK — MMIIC Transmit Acknowledge Enable
REPSEN — Repeated Start Enable
MMCRCBYTE — MMIIC CRC Byte
Freescale Semiconductor
This bit is set to enable the Multi-master IIC module. When MMEN = 0, module is disabled and all flags
will restore to its power-on default states. Reset clears this bit.
When this bit is set, the MMTXIF, MMRXIF, MMALIF, and MMNAKIF flags are enabled to generate an
interrupt request to the CPU. When MMIEN is cleared, the these flags are prevented from generating
an interrupt request. Reset clears this bit.
Writing a logic 1 to this write-only bit clears the MMBB flag. MMCLRBB always reads as a logic 0.
Reset clears this bit.
This bit is set to disable the MMIIC from sending out an acknowledge signal to the bus at the 9th clock
bit after receiving 8 data bits. When MMTXAK is cleared, an acknowledge signal will be sent at the 9th
clock bit. Reset clears this bit.
This bit is set to enable repeated START signal to be generated when in master mode transfer
(MMAST = 1). The REPSEN bit is cleared by hardware after the completion of repeated START signal
or when the MMAST bit is cleared. Reset clears this bit.
In receive mode, this bit is set by software to indicate that the next receiving byte will be the packet
error checking (PEC) data.
In master receive mode, after completion of CRC generation on the received PEC data, an
acknowledge signal is sent if MMTXAK = 0; no acknowledge is sent If MMTXAK = 1.
In slave receive mode, no acknowledge signal is sent if a CRC error is detected on the received PEC
data. If no CRC error is detected, an acknowledge signal is sent if MMTXAK = 0; no acknowledge is
sent If MMTXAK = 1.
1 = MMIIC module enabled
0 = MMIIC module disabled
1 = MMTXIF, MMRXIF, MMALIF, and/or MMNAKIF bit set will generate interrupt request to CPU
0 = MMTXIF, MMRXIF, MMALIF, and/or MMNAKIF bit set will not generate interrupt request to CPU
1 = Clear MMBB flag
0 = No affect on MMBB flag
1 = MMIIC does not send acknowledge signals at 9th clock bit
0 = MMIIC sends acknowledge signal at 9th clock bit
1 = Repeated START signal will be generated if MMAST bit is set
0 = No repeated START signal will be generated
MMIIC
Address:
Reset:
Read:
Write:
Control Register 1 (MMCR1)
MMEN
$0049
Bit 7
0
Figure 14-5. MMIIC Control Register 1 (MMCR1)
= Unimplemented
MMIEN
6
0
MC68HC908AP Family Data Sheet, Rev. 4
MMCLRBB
5
0
0
4
0
0
MMTXAK REPSEN
3
0
2
0
MMCRCBYTE
1
0
MMIIC I/O Registers
Bit 0
0
0
235
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