UPD78F9224
UPD78F9224 is 8-Bit Single-Chip Microcontrollers manufactured by NEC.
- Part of the UPD78F9221 comparator family.
- Part of the UPD78F9221 comparator family.
User’s Manual
78K0S/KA1+
8-bit Single-Chip Microcontrollers
μPD78F9221 μPD78F9221(A) μPD78F9221(A2)
μPD78F9222 μPD78F9222(A) μPD78F9222(A2)
μPD78F9224
Document No. U16898EJ6V0UD00 (6th edition) Date Published February 2009 NS
© Printed in Japan
CHAPTER 1 OVERVIEW
1.1 Features
O 78K0S CPU core O ROM and RAM capacities
Item Part number
Program Memory (Flash Memory)
Memory (Internal High-Speed RAM)
μPD78F9221
2 KB
128 bytes
<R>
μPD78F9222 μPD78F9224
4 KB 8 KB
256 bytes
O Minimum instruction execution time: 0.2 μs (with 10 MHz@4.0 to 5.5 V operation)
O Clock
- High-speed system clock … Selected from the following three sources
- Ceramic/crystal resonator:
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