3.22EjemploDRM007 Co..
3.22EjemploDRM007 Co..
3.22EjemploDRM007 Co..
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Introduction and Setup<br />
M68HC08 CPU<br />
INTERNAL BUS<br />
CPU<br />
REGISTERS<br />
CONTROL AND STATUS<br />
REGISTERS — 112 BYTES<br />
USER FLASH — 7680 BYTES<br />
USER RAM — 256 BYTES<br />
MONITOR ROM — 313 BYTES<br />
USER VECTOR SPACE — 46 BYTES<br />
OSC1<br />
OSC2<br />
CGMXFC<br />
RST<br />
IRQ<br />
ARITHMETIC/LOGIC<br />
UNIT (ALU)<br />
CLOCK GENERATOR<br />
MODULE<br />
SYSTEM INTEGRATION<br />
MODULE<br />
IRQ<br />
MODULE<br />
LOW-VOLTAGE INHIBIT<br />
MODULE<br />
COMPUTER OPERATING<br />
PROPERLY MODULE<br />
BREAK<br />
MODULE<br />
TIMER A AND TIMER B<br />
INTERFACE MODULES<br />
SERIAL COMMUNICATIONS<br />
INTERFACE MODULE<br />
POWER-ON RESET<br />
MODULE<br />
DDRA<br />
PORTA<br />
DDRB<br />
PORTB<br />
PULSE-WIDTH<br />
MODULATOR<br />
PTA6/ATD6<br />
PTA5/ATD5<br />
PTA4/ATD4<br />
PTA3/ATD3<br />
PTA2/ATD2<br />
PTA1/ATD1<br />
PTA0/ATD0<br />
PTB6/TCH1B<br />
PTB5/TCH0B<br />
PTB4/TCH1A<br />
PTB3/TCH0A<br />
PTB2TCLKA<br />
PTB1/TxD<br />
PTB0/RxD<br />
PWM6<br />
PWM5<br />
PWM4<br />
PWM3<br />
PWM2<br />
PWM1<br />
PTC1/FAULT4<br />
PTC1/FAULT4<br />
V REFH<br />
ANALOG-TO-DIGITAL<br />
CONVERTER MODULE<br />
PULSE-WIDTH<br />
MODULATOR MODULE<br />
V DD<br />
V DDA<br />
V SSA<br />
V SS<br />
POWER<br />
Figure 1-1. MC68HC908MR8 Block Diagram<br />
DRM007<br />
BLDC Motor <strong>Co</strong>ntrol Board for Industrial and Appliance Applications<br />
18 Introduction and Setup MOTOROLA
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