MC908QC16CDZE Freescale Semiconductor, MC908QC16CDZE Datasheet - Page 105
MC908QC16CDZE
Manufacturer Part Number
MC908QC16CDZE
Description
IC MCU 8BIT 16K FLASH 28-SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Specifications of MC908QC16CDZE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
24
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Processor Series
HC08QC
Core
HC08
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
ESCI/SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
26
Number Of Timers
6
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05AE, DEMO908QB8, DEMO908QC16
Minimum Operating Temperature
- 40 C
On-chip Adc
10-ch x 10-bit
For Use With
DEMO908QC16 - BOARD DEMO FOR MC908QC16
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
Company:
Part Number:
MC908QC16CDZE
Manufacturer:
FREESCALE
Quantity:
1 600
Part Number:
MC908QC16CDZE
Manufacturer:
FREESCALE
Quantity:
20 000
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ECGST — External Clock Status Bit
10.8.2 Oscillator Trim Register (OSCTRIM)
TRIM7–TRIM0 — Internal Oscillator Trim Factor Bits
Freescale Semiconductor
This read-only bit indicates whether an external clock source is engaged to drive the system clock.
These read/write bits change the internal capacitance used by the internal oscillator. By measuring the
period of the internal clock and adjusting this factor accordingly, the frequency of the internal clock can
be fine tuned. Increasing (decreasing) this factor by one increases (decreases) the period by
approximately 0.2% of the untrimmed oscillator period. The oscillator period is based on the oscillator
frequency selected by the ICFS bits in OSCSC.
1 = An external clock source engaged
0 = An external clock source disengaged
Reset:
Read:
Write:
MC68HC908QC16 • MC68HC908QC8 • MC68HC908QC4 Data Sheet, Rev. 5
TRIM7
Bit 7
1
Figure 10-5. Oscillator Trim Register (OSCTRIM)
TRIM6
6
0
TRIM5
5
0
TRIM4
4
0
TRIM3
3
0
TRIM2
2
0
TRIM1
1
0
TRIM0
Bit 0
0
Registers
105
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