MC908QL4 FREESCALE [Freescale Semiconductor, Inc], MC908QL4 Datasheet - Page 19
MC908QL4
Manufacturer Part Number
MC908QL4
Description
M68HC08 Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC908QL4.pdf
(226 pages)
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Chapter 1
General Description
1.1 Introduction
The MC68HC908QL4 is a member of the low-cost, high-performance M68HC08 family of 8-bit
microcontroller units (MCUs). All MCUs in the family use the enhanced M68HC08 central processor unit
(CPU08) and are available with a variety of modules, memory sizes and types, and package types.
1.2 Features
Features include:
1. See
2. No security feature is absolutely secure. However, Freescale’s strategy is to make reading or copying the FLASH difficult for
Freescale Semiconductor
unauthorized users.
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17.11 Oscillator Characteristics
High-performance M68HC08 CPU core
Fully upward-compatible object code with M68HC05 Family
5-V and 3.3-V operating voltages (V
8-MHz internal bus operation at 5 V, 4-MHz at 3.3 V
Software configurable input clock from either internal or external source
Trimmable internal oscillator
–
–
–
–
Software selectable crystal oscillator range, 32–100 kHz, 1–8 MHz, and 8–32 MHz
Auto wakeup from STOP capability using dedicated internal 32-kHz RC or bus clock source
On-chip in-application programmable FLASH memory
–
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On-chip random-access memory (RAM)
Selectable 1 MHz, 2 MHz, or 3.2MHz or 6.4 MHz internal bus operation
8-bit trim capability
Trimmable to approximately 0.4%
± 25% untrimmed
Internal program/erase voltage generation
Monitor ROM containing user callable program/erase routines
FLASH security
(2)
for internal oscillator specifications
MC68HC908QL4 Data Sheet, Rev. 7
DD
(1)
)
19
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