s908qy2ad1vdwer Freescale Semiconductor, Inc, s908qy2ad1vdwer Datasheet - Page 15

• Manufacturer Part Number: s908qy2ad1vdwer
• Description: Mc68hc908qt4a Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Chapter 1
General Description
1.1 Introduction
The MC68HC908QY4A 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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16.11 Oscillator Characteristics
High-performance M68HC08 CPU core
Fully upward-compatible object code with M68HC05 Family
5-V and 3-V operating voltages (V
8-MHz internal bus operation at 5 V, 4-MHz at 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
On-chip in-application programmable FLASH memory
–
–
–
Software selectable 1 MHz, 2 MHz, or 3.2 MHz internal bus operation
8-bit trim capability
±25% untrimmed
Trimmable to approximately 0.4%
Internal program/erase voltage generation
Monitor ROM containing user callable program/erase routines
FLASH security
MC68HC908QY1A
MC68HC908QY2A
MC68HC908QY4A
MC68HC908QT1A
MC68HC908QT2A
MC68HC908QT4A
Device
(2)
Table 1-1. Summary of Device Variations
MC68HC908QYA/QTA Family Data Sheet, Rev. 2
for internal oscillator specifications
Memory Size
DD
1536 bytes
1536 bytes
4096 bytes
1536 bytes
1536 bytes
4096 bytes
FLASH
)
(1)
0.4
6 channel, 10 bit
6 channel, 10 bit
6 channel, 10 bit
6 channel, 10 bit
ADC
—
—
16 pins
16 pins
16 pins
Count
8 pins
8 pins
8 pins
Pin
15