MC68HC908JB8JDW Freescale Semiconductor, MC68HC908JB8JDW Datasheet - Page 53

• Manufacturer Part Number: MC68HC908JB8JDW
• Description: IC MCU 8K FLASH 3MHZ 20-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908JB8JDW

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 3MHz
• Connectivity: USB
• Peripherals: LVD, POR, PWM
• Number Of I /o: 13
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

Technical Data — MC68HC908JB8•MC68HC08JB8•MC68HC08JT8
4.1 Contents
4.2 Introduction
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.8.1
4.9
4.9.1
4.9.2
4.9.3
4.9.4
This section describes the operation of the embedded FLASH 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
FLASH Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
FLASH Block Erase Operation . . . . . . . . . . . . . . . . . . . . . . . . . 56
FLASH Mass Erase Operation . . . . . . . . . . . . . . . . . . . . . . . . . 57
FLASH Program Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . .58
FLASH Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
ROM-Resident Routines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
FLASH Block Protect Register . . . . . . . . . . . . . . . . . . . . . . . 60
Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
ERASE Routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
PROGRAM Routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
VERIFY Routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
FLASH Memory
Section 4. FLASH Memory
Technical Data
53