MC908AP32ACFBE Freescale Semiconductor, MC908AP32ACFBE Datasheet - Page 96
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MC908AP32ACFBE
Manufacturer Part Number
MC908AP32ACFBE
Description
IC MCU 32K FLASH 8MHZ 44-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908AP16ACFBER.pdf
(316 pages)
Specifications of MC908AP32ACFBE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SCI, SPI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-QFP
Controller Family/series
HC08
No. Of I/o's
32
Ram Memory Size
2KB
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
I2C, SCI, SPI
Rohs Compliant
Yes
Processor Series
HC08AP
Core
HC08
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908AP64E, M68CBL05CE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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Clock Generator Module (CGM)
Temperature and processing also can affect acquisition time because the electrical characteristics of the
PLL change. The part operates as specified as long as these influences stay within the specified limits.
External factors, however, can cause drastic changes in the operation of the PLL. These factors include
noise injected into the PLL through the filter capacitor, filter capacitor leakage, stray impedances on the
circuit board, and even humidity or circuit board contamination.
6.8.3 Choosing a Filter
As described in
stability and reaction time of the PLL. The PLL is also dependent on reference frequency and supply
voltage.
Either of the filter networks in
(CGMRCLK).
low-cost applications where stability is not critical.
96
Figure 6-10
6.8.2 Parametric Influences on Reaction
(a) is used for applications requiring better stability.
0.22 µF
Figure 6-10
1 kΩ
MC68HC908AP A-Family Data Sheet, Rev. 3
CGMXFC
(a)
Figure 6-10. PLL Filter
V
is recommended when using a 4MHz reference clock
SSA
10 nF
Time, the external filter network is critical to the
CGMXFC
V
SSA
(b)
0.22 µF
Figure 6-10
Freescale Semiconductor
(b) is used in
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