MC912D60CCPVE Freescale Semiconductor, MC912D60CCPVE Datasheet - Page 147

IC MCU 16BIT 112-LQFP

MC912D60CCPVE

Manufacturer Part Number
MC912D60CCPVE
Description
IC MCU 16BIT 112-LQFP
Manufacturer
Freescale Semiconductor
Series
HC12r
Datasheet

Specifications of MC912D60CCPVE

Core Processor
CPU12
Core Size
16-Bit
Speed
8MHz
Connectivity
CAN, MI Bus, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
68
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 16x8/10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Processor Series
HC912D
Core
HC12
Data Bus Width
16 bit
Data Ram Size
2 KB
Interface Type
CAN, SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
86
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

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Part Number
Manufacturer
Quantity
Price
Part Number:
MC912D60CCPVE
Manufacturer:
FREESCAL
Quantity:
203
Part Number:
MC912D60CCPVE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
MC68HC912D60A — Rev. 3.1
Freescale Semiconductor
CAUTION:
NOTE:
During this power up sequence, after the POR pulse falling edge, the
VCO supplies the limp-home clock frequency to the 13-stage counter, as
the BCSP output is forced high and MCS is forced low. XCLK, BCLK and
MCLK are forced to be PCLK, which is supplied by the VCO at f
The initial period taken for the 13-stage counter to reach 4096 defines
the internal reset period.
If the clock monitor indicates the presence of an external clock during the
internal reset period, limp-home mode is de-asserted and the 13-stage
counter is then driven by EXTALi clock. After the 13-stage counter
reaches a count of 4096 XCLK cycles, the internal reset is released, the
13-stage counter is reset and the MCU exits reset normally using
EXTALi clock.
However, if the crystal start-up time is longer than the initial count of
4096 XCLK cycles, or in the absence of an external clock, the MCU will
leave the reset state in limp-home mode. The LHOME flag is set and
LHIF limp-home interrupt request is set, to indicate it is not operating at
the desired frequency. Then after yet another 4096 XCLK cycles
followed regularly by 8192 XCLK cycles (corresponding to the 13-stage
counter timing out), a check of the clock monitor status is performed.
When the presence of an external clock is detected limp-home mode is
exited generating a limp-home interrupt if enabled.
The clock monitor circuit can be misled by the EXTALi clock into
reporting a good signal before it has fully stabilised. Under these
conditions improper EXTALi clock cycles can occur on SYSCLK. This
may lead to a code runaway. To ensure that this situation does not
occur, the external Reset period should be longer than the oscillator
stabilisation time - this is an application dependent parameter.
With the VDDPLL supply voltage at VSS level, the PLL module and
hence limp-home mode are disabled, the device will remain effectively
in a static state whilst there is no activity on EXTALi. The internal reset
period and MCU operation will execute only on EXTALi clock.
The external clock signal must stabilise within the initial 4096 reset
counter cycles.
Clock Functions
Limp-Home and Fast STOP Recovery modes
Clock Functions
Technical Data
VCOMIN
147
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