MC908AP16CFAE Freescale Semiconductor, MC908AP16CFAE Datasheet - Page 79
![IC MCU 16K FLASH 8MHZ 48-LQFP](/photos/19/7/190723/4134800_sml.jpg)
MC908AP16CFAE
Manufacturer Part Number
MC908AP16CFAE
Description
IC MCU 16K FLASH 8MHZ 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheets
1.MC908AP8CFBE.pdf
(324 pages)
2.MC908AP16ACFBER.pdf
(316 pages)
3.MC908AP16CFAE.pdf
(322 pages)
Specifications of MC908AP16CFAE
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
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K 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
Controller Family/series
HC08
No. Of I/o's
32
Ram Memory Size
1KB
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
1 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908AP16CFAE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC908AP16CFAE
Manufacturer:
FREESCALE
Quantity:
20 000
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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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