MC68HC908BD48IFB Freescale Semiconductor, MC68HC908BD48IFB Datasheet - Page 181

• Manufacturer Part Number: MC68HC908BD48IFB
• Description: IC MCU 48K FLASH 6MHZ USB 44PQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908BD48IFB

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 6MHz
• Connectivity: I²C, USB
• Peripherals: POR, PWM
• Number Of I /o: 32
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 44-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

14.5 Registers
MC68HC908BD48
Freescale Semiconductor
Addr.
$004C
$004D
$004A
$004B
$004E
$004F
Master Control Register
Data Transmit Register
Data Receive Register
Register Name
Address Register
Control Register
Multi-Master IIC
Multi-Master IIC
Multi-Master IIC
Multi-Master IIC
Multi-Master IIC
Multi-Master IIC
Status Register
—
(MMADR)
(MMDRR)
(MMDTR)
(MIMCR)
(MMCR)
(MMSR)
Rev. 2.1
Six registers are associated with the Multi-master IIC module, they are
outlined in the following sections.
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read: MMRXIF
Read:
Read: MMRD7
Write:
Write:
Write:
Write:
Write:
Write:
Table 14-2. MMIIC I/O Register Summary
MMALIF
MMAD7
MMTD7
MMEN
Bit 7
Multi-Master IIC Interface (MMIIC)
0
1
0
0
0
1
0
MMNAKIF
= Unimplemented
MMTXIF MMATCH MMSRW MMRXAK
MMAD6
MMRD6
MMTD6
MMIEN
6
0
0
0
0
0
1
0
MMRD5
MMAD5
MMTD5
MMBB
5
0
1
0
0
0
1
0
MMRD4
MMAST
MMAD4
MMTD4
4
0
0
0
0
0
1
0
MMTXAK
MMAD3
MMTD3
MMRD3
MMRW
3
0
0
0
1
1
0
Multi-Master IIC Interface (MMIIC)
MMBR2
MMAD2
MMRD2
MMTD2
2
0
0
0
0
0
0
1
0
MMTXBE MMRXBF
MMRD1
MMBR1
MMAD1
MMTD1
1
0
0
0
0
1
1
0
Data Sheet
MMEXTAD
MMRD0
MMBR0
MMTD0
Bit 0
0
0
0
0
0
1
0
181