Features: Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.3V~5.5V
fSYS=12MHz: 4.5V~5.5V
23 bidirectional I/O lines (max.)
4 interrupt input shared with 4 I/O line
Two 8-bit programmable timer/event counter with overflow interrupt and 7-stage prescaler
On-chip crystal and RC oscillator
Watchdog Timer
409615 program memory
1928 data memory RAM
Supports PFD for sound generation
HALT function and wake-up feature reduce power consumption
Up to 0.33s instruction cycle with 12MHz system clock at VDD=5V
8-level subroutine nesting
8 channels 9-bit resolution A/D converter
3-channel 10-bit PWM with complementary output shared with six I/O lines
Bit manipulation instruction
15-bit table read instruction
63 powerful instructions
All instructions in one or two machine cycles
Low voltage reset function
One operational Amplifier
One Comparator with interrupt function
28-pin SKDIP/SOP packagesPinout
SpecificationsSupply Voltage ...........................VSS-0.3V to VSS+6.0V Storage Temperature ............................-50 to 125
Input Voltage..............................VSS-0.3V to VDD+0.3V Operating Temperature...........................-40 to 85
IOL Total ..............................................................150mA IOH Total............................................................-100mA
Total Power Dissipation .....................................500mW
Note: These are stress ratings only. Stresses exceeding the range specified underAbsolute Maximum Ratings ma cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
DescriptionThe HT45RM03 is 8-bit, high performance, RISC architecture microcontroller devices specifically designed for A/D applications that interface directly to analog signals, such as those from sensors.
The HT45RM03 advantages of low power consumption, I/O flexibility, programmable frequency divider, timer functions, oscillator options, multi-channel A/D Converter, Pulse Width Modulation function, HALT and wake-up functions, enhance the versatility of these devices to suit a wide range of A/D application possibilities such as sensor signal processing, motor driving, industrial control, consumer products, subsystem controllers, etc.
HT45RM03 Data Sheet
