MC68HC908JB8JDW Freescale Semiconductor, MC68HC908JB8JDW Datasheet - Page 243

• 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
16.1 Contents
16.2 Introduction
16.3 Functional Description
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
16.2
16.3
16.4
16.5
16.5.1
16.5.2
This section describes the low-voltage inhibit module (LVI), which
monitors the voltage on the V
voltage falls to the LVI trip (V
Figure 16-1
after a reset. The LVI module contains a bandgap reference circuit and
comparator. Setting LVI disable bit (LVID) disables the LVI to monitor
V
The LVI module generates one output signal:
LVI Reset — an reset signal will be generated to reset the CPU when
V
DD
DD
voltage.
drops to below the set trip point.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .243
LVI Control Register (CONFIG) . . . . . . . . . . . . . . . . . . . . . . .244
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .244
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .244
Section 16. Low Voltage Inhibit (LVI)
shows the structure of the LVI module. The LVI is enabled
Low Voltage Inhibit (LVI)
DD
LVR
pin and generates a reset when the V
) voltage.
Technical Data
243
DD