MC68HC908SR12CFA Freescale Semiconductor, MC68HC908SR12CFA Datasheet - Page 239
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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15.4.7 Data Register Interlocking
15.4.8 Monotonicity
15.5 Interrupts
15.6 Low-Power Modes
15.6.1 Wait Mode
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
Reading ADRH in any 10-bit mode latches the contents of ADRL until
ADRL is read. Until ADRL is read all subsequent ADC results will be lost.
This register interlocking can also be reset by a write to the ADC status
and control register, or ADC clock control register. A power-on reset or
reset will also clear the interlocking. Note that an external conversion
request will not reset the lock.
The conversion process is monotonic and has no missing codes.
When the AIEN bit is set, the ADC module is capable of generating a
CPU interrupt after each ADC conversion or after an auto-scan
conversion cycle. A CPU interrupt is generated if the COCO bit is at
logic 0. The COCO bit is not used as a conversion complete flag when
interrupts are enabled. The interrupt vector is defined in
Vector
The STOP and WAIT instructions put the MCU in low power-
consumption standby modes.
The ADC continues normal operation in wait mode. Any enabled CPU
interrupt request from the ADC can bring the MCU out of wait mode. If
the ADC is not required to bring the MCU out of wait mode, power down
the ADC by setting the ADCH[4:0] bits to logic 1’s before executing the
WAIT instruction.
Addresses.
Analog-to-Digital Converter (ADC)
Analog-to-Digital Converter (ADC)
Table 2-1 .
Data Sheet
Interrupts
239
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