Part No. VDD System
Clock
Program
Memory
Data
Memory
I/O 8-bit
Timer
Ext.
Interrupt
SPI A/D PWM Stack Package
HT82J30R
HT82J30A
2.2V~
5.5V
4MHz~
12MHz
4Kx15 216x8 35 1 2 2 8-bitx16 8-bitx1 6 28SKDIP/SOP/SSOP,
44QFP
HT82J31A 2.2V~
5.5V
4MHz~
12MHz
4Kx15 216x8 22 1 2 2 -- -- 6 28SKDIP/SOP
Note: 1. Part numbers including an "A" are mask version devices while "R" are OTP devices.
         2. During development the HT82J30R can be used as an OTP device for the HT82J31A mask version device.

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