MC68HC908LD64 Datasheet, PDF (35/362 Pages) Freescale Semiconductor, Inc – Microcontrollers

General Description
MCU Block Diagram
CPU
REGISTERS
M68HC08 CPU
ARITHMETIC/LOGIC
UNIT (ALU)
INTERNAL BUS
KEYBOARD INTERRUPT
MODULE
CONTROL AND STATUS REGISTERS — 80 BYTES
USER FLASH — 60,928 BYTES
USER RAM — 2,048 BYTES
MONITOR ROM — 1,024+464 BYTES
USER FLASH VECTOR SPACE — 32 BYTES
OSC1
OSC2
CLOCK GENERATOR MODULE
24-MHz OSCILLATOR
CGMXFC
PHASE-LOCKED LOOP
PULSE WIDTH MODULATOR
MODULE
MONITOR
MODULE
8-BIT ANALOG-TO-DIGITAL
CONVERTER MODULE
FREE-RUN PANEL TIMING
MODULE
SYNC PROCESSOR
MODULE
RST
IRQ
PHSYNC††
PVSYNC††
PCLK††
OSDR
OSDG
OSDB
FBKG
VDD1
VSS1
VDD2
VSS2
VDDA
VSSA
VRH
VRL
SYSTEM INTEGRATION
MODULE
EXTERNAL IRQ
MODULE
COMPUTER OPERATING
PROPERLY MODULE
POWER-ON RESET
MODULE
ON-SCREEN DISPLAY
MODULE
POWER
ADC REFERENCE
2-CHANNEL TIMER INTERFACE
MODULE
MULTI-MASTER IIC
INTERFACE MODULE
DDC12AB INTERFACE
MODULE
MONITOR MODE ENTRY
MODULE
SECURITY
MODULE
DS PORT 4
UNIVERSAL SERIAL BUS
INTERFACE MODULE
AND
HUB CONTROLLER
DS PORT 3
DS PORT 2
DS PORT 1
US PORT
† Pin is +5V open-drain
†† Pin is +5V input
Figure 1-1. MC68HC908LD64 MCU Block Diagram
PTA7/KBI7
:
PTA0/KBI0
PTB7/PWM7
:
PTB0/PWM0
PTC6
PTC5/ADC5
:
PTC0/ADC0
HSYNC††
VSYNC††
CLAMP/TCH0
PTD7/IICSDA†
PTD6/IICSCL†
PTD5/DDCSDA†
PTD4/DDCSCL†
PTD3/HOUT
PTD2/VOUT
PTD1/DE
PTD0/DCLK
PTE7/DMINUS4
PTE6/DPLUS4
PTE5/DMINUS3
PTE4/DPLUS3
PTE3/DMINUS2
PTE2/DPLUS2
PTE1/DMINUS1
PTE0/DPLUS1
DMINUS0
DPLUS0
MC68HC908LD64 — Rev. 3.0
Freescale Semiconductor
General Description
Data Sheet
35