MC68HC908SR12CFA Freescale Semiconductor, MC68HC908SR12CFA Datasheet - Page 299
MC68HC908SR12CFA
Manufacturer Part Number
MC68HC908SR12CFA
Description
MICROCONTROLLER 48 PIN
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908SR12MFAE.pdf
(404 pages)
Specifications of MC68HC908SR12CFA
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI
Peripherals
LVD, POR, PWM, Temp Sensor
Number Of I /o
31
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 14x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
Q1145673
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC908SR12CFA
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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17.6.9 Packet Error Code
17.7 MMIIC I/O Registers
17.7.1
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
MMIIC
Address Register (MMADR)
Address:
The packet error code (PEC) for the MMIIC interface is in the form a
cyclic redundancy code (CRC). The PEC is generated by hardware for
every transmitted and received byte of data. The transmission of the
generated PEC is controlled by user software.
The CRC data register, MMCRCDR, contains the generated PEC byte,
with three other bits in the MMIIC control registers and status register
monitoring and controlling the PEC byte.
These I/O registers control and monitor MMIIC operation:
Reset:
Read:
Write:
•
•
•
•
•
•
•
•
MMIIC address register (MMADR) — $0048
MMIIC control register 1 (MMCR1) — $0049
MMIIC control register 2 (MMCR2) — $004A
MMIIC status register (MMSR) — $004B
MMIIC data transmit register (MMDTR) — $004C
MMIIC data receive register (MMDRR) — $004D
MMIIC CRC data register (MMCRCDR) — $004E
MMIIC frequency divide register (MMFDR) — $004F
MMAD7
$0048
Bit 7
Figure 17-4. MMIIC Address Register (MMADR)
Multi-Master IIC Interface (MMIIC)
1
MMAD6
6
0
MMAD5
5
1
MMAD4
4
0
MMAD3
3
0
Multi-Master IIC Interface (MMIIC)
MMAD2
2
0
MMIIC I/O Registers
MMAD1
1
0
Data Sheet
MMEXTAD
Bit 0
0
299
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