SH69P842 micro-controller equivalent, otp 2k 4-bit micro-controller.
SH6610D-Based Single-Chip 4-bit Micro-Controller
OTPROM: 2K X 16 bits
RAM: 123 X 4 bits - 35 System Control Register - 88 Data Memory
Operation voltage: - fOSC = 30kHz - .
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