HT46R48E General Description
HT46R48E Maximum Ratings
Supply 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
Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may 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.
HT46R48E Features
•Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.3V~5.5V
•19 bidirectional I/O lines (max.)
•1 interrupt input shared with an I/O line
•8-bit programmable timer/event counter with overflow interrupt and 7-stage prescaler
•On-chip crystal and RC oscillator
•Watchdog Timer
•2048*14 program memory
•64*8 data memory RAM
•128*8 data EEPROM
•Supports PFD for sound generation
•HALT function and wake-up feature reduce power consumption
•Up to 0.5s instruction cycle with 8MHz system clock at VDD=5V
•6-level subroutine nesting
•4 channels 9-bit resolution A/D converter
•1 channel 8-bit PWM output shared with an I/O line
•Bit manipulation instruction
•14-bit table read instruction
•63 powerful instructions
•All instructions in one or two machine cycles
•Low voltage reset function
•24-pin SKDIP/SOP/SSOP package
HT46R48E Connection Diagram
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