s908qc16vdse Freescale Semiconductor, Inc, s908qc16vdse Datasheet - Page 17
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s908qc16vdse
Manufacturer Part Number
s908qc16vdse
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.S908QC16VDSE.pdf
(274 pages)
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Chapter 1
General Description
1.1 Introduction
The MC68HC908QC16, MC68HC908QC8, and MC68HC908QC4 are members 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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19.11 Oscillator Characteristics
High-performance M68HC08 CPU core
Fully upward-compatible object code with M68HC05 Family
5.0-V and 3.3-V operating voltages (V
8-MHz internal bus operation at 5 V, 4-MHz at 3.3 V
Trimmable internal oscillator
–
–
–
–
Software selectable crystal oscillator range, 32–100 kHz, 1–8 MHz, and 8–32 MHz
Software configurable input clock from either internal or external source
Auto wakeup from STOP capability using dedicated internal 32-kHz RC or bus clock source
FLASH security
On-chip in-application programmable FLASH memory (with internal program/erase voltage
generation)
Software selectable 1 MHz, 2 MHz, 3.2 MHz, or 6.4 MHz internal bus operation
8-bit trim capability
Trimmable to approximately 0.4%
25% untrimmed
MC68HC908QC16
MC68HC908QC8
MC68HC908QC4
MC68HC908QC16 • MC68HC908QC8 • MC68HC908QC4 Data Sheet, Rev. 4
(2)
Device
Table 1-1. Summary of Device Variations
for internal oscillator specifications
Memory Size
16 Kbytes
8 Kbytes
4 Kbytes
FLASH
(1)
DD
)
0.4
512 bytes
384 bytes
384 bytes
RAM
16, 20, 28 pins
16, 20, 28 pins
16, 20, 28 pins
Pin Count
17
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