TTR011 mcu equivalent, 1k rom mcu.
* Tontek RISC 4-bit CPU core with 2-level stacks
* All instructions are one word length
* Most of instructions need one machine cycle (2 CPU clocks) except re.
TTR011 can be used in alarm systems in supermarkets, discount stores, etc.
§ Pin configuration
INT2/VPP/PC0 1 INT0/AD0.
Pin Name Function Type
Pin Description
PA0 I/O Input or output port determined by software
PA0/INT0/AD0 INT0
I External interrupt input as input mode determined
AD0 I ADC input channel configured by software
PA1 I/O Input or output port deter.
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