MCHC912B32CFUE8 Freescale Semiconductor, MCHC912B32CFUE8 Datasheet - Page 271
MCHC912B32CFUE8
Manufacturer Part Number
MCHC912B32CFUE8
Description
IC MCU 32K FLASH 8MHZ 80-QFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet
1.MCHC912B32CFUE8.pdf
(334 pages)
Specifications of MCHC912B32CFUE8
Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
63
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
768 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Cpu Family
HC12
Device Core Size
16b
Frequency (max)
8MHz
Interface Type
SCI/SPI
Total Internal Ram Size
1KB
# I/os (max)
63
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
4.5V
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
80
Package Type
PQFP
Package
80PQFP
Family Name
HC12
Maximum Speed
8 MHz
Operating Supply Voltage
5 V
Data Bus Width
16 Bit
Number Of Programmable I/os
63
Processor Series
HC912B
Core
HC12
Data Ram Size
1 KB
Maximum Clock Frequency
8 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
M68EVB912B32E
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCHC912B32CFUE8
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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IDAM1 and IDAM0— Identifier Acceptance Mode Flags
IDHIT2–IDHIT0— Identifier Acceptance Hit Indicator Flags
The IDHIT indicators are always related to the message in the foreground buffer. When a message gets
copied from the background to the foreground buffer, the indicators are updated as well.
16.12.10 msCAN12 Receive Error Counter
This register reflects the status of the msCAN12 receive error counter. The register is read only.
Freescale Semiconductor
The CPU sets these flags to define the identifier acceptance filter organization. See
Acceptance
are accepted so that the foreground buffer is never reloaded.
The msCAN12 sets these flags to indicate an identifier acceptance hit. See
Acceptance
Address: $010E
The CIDAC register can be written only if the SFTRES bit in CMCR0 is set.
Reset:
Read:
Write:
Filter.
Filter.
Figure 16-25. msCAN12 Receive Error Counter (CRXERR)
RXERR7
IDHIT2
Table 16-8
Table 16-8
IDAM1
Bit 7
0
0
0
0
0
1
1
1
1
0
0
1
1
Table 16-9. Identifier Acceptance Mode Settings
Table 16-10. Identifier Acceptance Hit Indication
= Unimplemented
RXERR6
IDHIT1
6
0
summarizes the different settings. In filter closed mode, no messages
summarizes the different settings.
M68HC12B Family Data Sheet, Rev. 9.1
0
0
1
1
0
0
1
1
IDAM0
0
1
0
1
RXERR5
5
0
IDHIT0
0
1
0
1
0
1
0
1
NOTE
RXERR4
4
0
Identifier Acceptance Mode
Four 16-bit acceptance filters
Two 32-bit acceptance filters
Eight 8-bit acceptance filters
Identifier Acceptance Hit
RXERR3
Filter closed
3
0
Filter 0 hit
Filter 1 hit
Filter 2 hit
Filter 3 hit
Filter 4 hit
Filter 5 hit
Filter 6 hit
Filter 7 hit
RXERR2
Programmer’s Model of Control Registers
2
0
RXERR1
1
0
16.4 Identifier
RXERR0
Bit 0
16.4 Identifier
0
271
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