MC68HC908AS60CFN Freescale Semiconductor, MC68HC908AS60CFN Datasheet - Page 172
MC68HC908AS60CFN
Manufacturer Part Number
MC68HC908AS60CFN
Description
IC MCU 60K FLASH 8MHZ 52-PLCC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908AS60CFN.pdf
(454 pages)
Specifications of MC68HC908AS60CFN
Core Processor
HC08
Core Size
8-Bit
Speed
8.4MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
40
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 15x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908AS60CFN
Manufacturer:
MOT
Quantity:
5 510
Company:
Part Number:
MC68HC908AS60CFN
Manufacturer:
TI
Quantity:
5 510
Part Number:
MC68HC908AS60CFN
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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Clock Generator Module (CGM)
Technical Data
ACQ — Acquisition Mode Bit
XLD — Crystal Loss Detect Bit
Bits 3–0 — Reserved for Test
1. Write a logic 1 to XLD.
2. Wait N
3. Read XLD.
When the AUTO bit is set, ACQ is a read-only bit that indicates
whether the PLL is in acquisition mode or tracking mode. When the
AUTO bit is clear, ACQ is a read/write bit that controls whether the
PLL is in acquisition or tracking mode.
In automatic bandwidth control mode (AUTO = 1), the last-written
value from manual operation is stored in a temporary location and is
recovered when manual operation resumes. Reset clears this bit,
enabling acquisition mode.
When the VCO output, CGMVCLK, is driving CGMOUT, this
read/write bit can indicate whether the crystal reference frequency is
active or not.
To check the status of the crystal reference:
The crystal loss detect function works only when the BCS bit is set,
selecting CGMVCLK to drive CGMOUT. When BCS is clear, XLD
always reads as logic 0.
These bits enable test functions not available in user mode. To ensure
software portability from development systems to user applications,
software should write 0s to bits 3–0 when writing to PBWC.
Freescale Semiconductor, Inc.
For More Information On This Product,
1 = Tracking mode
0 = Acquisition mode
1 = Crystal reference not active
0 = Crystal reference active
Clock Generator Module (CGM)
Go to: www.freescale.com
4 cycles. N is the VCO frequency multiplier.
MC68HC908AS60 — Rev. 1.0
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