mc68hc908rk2 Freescale Semiconductor, Inc, mc68hc908rk2 Datasheet - Page 43

• Manufacturer Part Number: mc68hc908rk2
• Description: Hcmos Microcontroller Unit
• Manufacturer: Freescale Semiconductor, Inc

Advance Information — MC68HC908RK2
4.1 Contents
4.2 Introduction
MC68HC908RK2 — Rev. 4.0
MOTOROLA
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
4.11.1
4.11.2
4.11.3
4.11.4
4.11.5
4.12
4.12.1
4.12.2
This section describes the operation of the embedded FLASH 2TS
memory. This memory can be read, programmed, and erased from a
single external supply. The program and erase operations are enabled
through the use of an internal charge pump.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
FLASH 2TS Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . 45
FLASH 2TS Charge Pump Frequency Control. . . . . . . . . . . . . 47
FLASH 2TS Erase Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 47
FLASH 2TS Program/Margin Read Operation . . . . . . . . . . . . . 48
FLASH 2TS Block Protection . . . . . . . . . . . . . . . . . . . . . . . . . . 51
FLASH 2TS Block Protect Register . . . . . . . . . . . . . . . . . . . . . 52
Embedded Program/Erase Routines . . . . . . . . . . . . . . . . . . . . 53
Embedded Function Descriptions. . . . . . . . . . . . . . . . . . . . . . . 54
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
RDVRRNG Routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
PRGRNGE Routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
ERARNGE Routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
REDPROG Routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Example Routine Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61
FLASH 2TS Memory
Section 4. FLASH 2TS Memory
Advance Information
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