Low-power fully static CMOS design
Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 3.3V~5.5V
Program Memory:
1Kx15 OTP (HT46R51A)
2Kx15 OTP (HT46R52A)
Data memory:
96x8 RAM (HT46R51A)
128x8 RAM (HT46R52A)
A/D converter: 12bitsx5Ch
External A/D converter reference voltage input pin
14 bidirectional I/O lines
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
6-level subroutine nesting
Watchdog Timer
Low voltage reset function
HALT function
Up to 0.5µs instruction cycle with 8MHz system clock at VDD=5V
1-channel 8-bit PWM output shared with an I/O line
PFD function
Bit manipulation instruction
Table read instruction
63 powerful instructions
All instructions in one or two machine cycles
18-pin DIP, 20-pin SOP/SSOP package
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