MC9S08AW32CFDE Freescale Semiconductor, MC9S08AW32CFDE Datasheet - Page 234
![IC MCU 32K FLASH 48-QFN](/photos/12/16/121678/mc9s08aw32cfde_sml.jpg)
MC9S08AW32CFDE
Manufacturer Part Number
MC9S08AW32CFDE
Description
IC MCU 32K FLASH 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.MC9S08AW32CFDE.pdf
(324 pages)
Specifications of MC9S08AW32CFDE
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
38
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-QFN
Processor Series
S08AW
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SCI/SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
38
Number Of Timers
8
Operating Supply Voltage
- 0.3 V to + 5.8 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08AW60E
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC9S08AW32CFDE
Manufacturer:
FREESCALE
Quantity:
20 000
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Chapter 14 Analog-to-Digital Converter (S08ADC10V1)
14.2.1
The ADC module is capable of performing conversions using the MCU bus clock, the bus clock divided
by two, the local asynchronous clock (ADACK) within the module, or the alternate clock, ALTCLK. The
alternate clock for the MC9S08AW60 Series MCU devices is the external reference clock (ICGERCLK)
from the internal clock generator (ICG) module.
Because ICGERCLK is active only while an external clock source is enabled, the ICG must be configured
for either FBE or FEE mode (CLKS1 = 1). ICGERCLK must run at a frequency such that the ADC
conversion clock (ADCK) runs at a frequency within its specified range (f
from the ALTCLK input as determined by the ADIV bits. For example, if the ADIV bits are set up to divide
by four, then the minimum frequency for ALTCLK (ICGERCLK) is four times the minimum value for
f
frequency requirement, when an oscillator circuit is used it must be configured for high range operation
(RANGE = 1).
ALTCLK is active while the MCU is in wait mode provided the conditions described above are met. This
allows ALTCLK to be used as the conversion clock source for the ADC while the MCU is in wait mode.
ALTCLK cannot be used as the ADC conversion clock source while the MCU is in stop3.
14.2.2
The ADC hardware trigger, ADHWT, is output from the real time interrupt (RTI) counter. The RTI counter
can be clocked by either ICGERCLK or a nominal 1 kHz clock source within the RTI block. The 1-kHz
clock source can be used with the MCU in run, wait, or stop3. With the ICG configured for either FBE or
FEE mode, ICGERCLK can be used with the MCU in run or wait.
The period of the RTI is determined by the input clock frequency and the RTIS bits. When the ADC
hardware trigger is enabled, a conversion is initiated upon an RTI counter overflow. The RTI counter is a
free running counter that generates an overflow at the RTI rate determined by the RTIS bits.
234
ADCK
1
ADCH
01110
01111
For more information, see
and the maximum frequency is four times the maximum value for f
Alternate Clock
Hardware Trigger
Channel
AD14
AD15
Selecting the internal bandgap channel requires BGBE =1 in SPMSC1 see
Section 5.9.8, “System Power Management Status and Control 1 Register
(SPMSC1).” For value of bandgap voltage reference see
“DC
Characteristics.”
PTD6/ADC1P14/
PTD7ADC1P15/
TPM1CLK
Section 14.2.3, “Temperature
KBI1P7
Input
Table 14-1. ADC Channel Assignment (continued)
MC9S08AW60 Data Sheet, Rev 2
Pin Control
ADPC14
ADPC15
NOTE
Sensor.”
ADCH
11110
11111
Channel
disabled
Module
V
REFL
Section Table A-7.,
ADCK
ADCK
) after being divided down
. Because of the minimum
V
Input
None
REFL
Freescale Semiconductor
Pin Control
N/A
N/A
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