MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 32

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MC68HC908LJ12CPB

Manufacturer Part Number
MC68HC908LJ12CPB
Description
8-bit microcontroller units
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.1 Contents
MC68HC908LJ12
Freescale Semiconductor
Technical Data — MC68HC908LJ12
Rev. 2.1
1.2
1.3
1.4
1.5
1.6
1.6.1
1.6.2
1.6.3
1.6.4
1.6.5
1.6.6
1.6.7
1.6.8
1.6.9
1.6.10
1.6.11
1.6.12
1.6.13
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
MCU Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Power Supply Pins (V
Analog Power Supply Pin (V
Oscillator Pins (OSC1 and OSC2) . . . . . . . . . . . . . . . . . . . . 41
External Reset Pin (RST) . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
External Interrupt Pin (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . 41
External Filter Capacitor Pin (CGMXFC) . . . . . . . . . . . . . . . 41
ADC Voltage High Reference Pin (V
ADC Voltage Low Reference Pin (V
Port A Input/Output (I/O) Pins (PTA7–PTA0) . . . . . . . . . . . . 42
Port B I/O Pins (PTB7–PTB0) . . . . . . . . . . . . . . . . . . . . . . . 42
Port C I/O Pins (PTC7–PTC0) . . . . . . . . . . . . . . . . . . . . . . . 42
Port D I/O Pins (PTD7–PTD0) . . . . . . . . . . . . . . . . . . . . . . . 42
LCD Backplane and Frontplane
(BP0–BP2, FP0/BP3, FP1–FP18). . . . . . . . . . . . . . . . . . 42
General Description
Section 1. General Description
DD
and V
DDA
SS
) . . . . . . . . . . . . . . . . . . . . .40
) . . . . . . . . . . . . . . . . . . . . 40
REFL
REFH
) . . . . . . . . . . . . . . 41
). . . . . . . . . . . . . . 41
Technical Data
33

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