MC908AP64CFAE Freescale Semiconductor, MC908AP64CFAE Datasheet - Page 79
![IC MCU 64K 8MHZ SPI 48-LQFP](/photos/12/19/121958/mc908ap64cfae_sml.jpg)
MC908AP64CFAE
Manufacturer Part Number
MC908AP64CFAE
Description
IC MCU 64K 8MHZ SPI 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Specifications of MC908AP64CFAE
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
64KB (64K 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-LQFP
Cpu Family
HC08
Device Core Size
8b
Frequency (max)
8MHz
Interface Type
SCI/SPI
Total Internal Ram Size
2KB
# I/os (max)
32
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
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
48
Package Type
LQFP
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
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
Package
48LQFP
Family Name
HC08
Maximum Speed
8 MHz
Operating Supply Voltage
3.3|5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908AP64CFAE
Manufacturer:
Freescale
Quantity:
3 359
Company:
Part Number:
MC908AP64CFAE
Manufacturer:
Freescale Semiconductor
Quantity:
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Chapter 6
Clock Generator Module (CGM)
6.1 Introduction
This section describes the clock generator module (CGM). The CGM generates the base clock signal,
CGMOUT, which is based on either the oscillator clock divided by two or the divided phase-locked loop
(PLL) clock, CGMPCLK, divided by two. CGMOUT is the clock from which the SIM derives the system
clocks, including the bus clock, which is at a frequency of CGMOUT 2.
The PLL is a frequency generator designed for use with a low frequency crystal (typically 32.768kHz) to
generate a base frequency and dividing to a maximum bus frequency of 8MHz.
6.2 Features
Features of the CGM include:
6.3 Functional Description
The CGM consists of three major sub-modules:
Figure 6-1
Figure 6-2
Freescale Semiconductor
•
•
•
•
•
•
•
•
•
•
•
Phase-locked loop with output frequency in integer multiples of an integer dividend of the crystal
reference
Low-frequency crystal operation with low-power operation and high-output frequency resolution
Programmable prescaler for power-of-two increases in frequency
Programmable hardware voltage-controlled oscillator (VCO) for low-jitter operation
Automatic bandwidth control mode for low-jitter operation
Automatic frequency lock detector
CPU interrupt on entry or exit from locked condition
Configuration register bit to allow oscillator operation during stop mode
Oscillator module — The oscillator module generates the constant reference frequency clock,
CGMRCLK (buffered CGMXCLK).
Phase-locked loop (PLL) — The PLL generates the programmable VCO frequency clock,
CGMVCLK, and the divided VCO clock, CGMPCLK.
Base clock selector circuit — This software-controlled circuit selects either CGMXCLK divided by
two or the divided VCO clock, CGMPCLK, divided by two as the base clock, CGMOUT. The SIM
derives the system clocks from either CGMOUT or CGMXCLK.
shows the structure of the CGM.
is a summary of the CGM registers.
MC68HC908AP Family Data Sheet, Rev. 4
79
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