Part number

Core

Max speed

Flash

Ram

I/O

Package

RISC-V

120MHz

448Kb

48/80Kb

49

QFN68

CH564

RISC-V

120MHz

448Kb

64/96/128Kb

77

LQFP128/LQFP64M/QFN32/QFN26C3

CH585

RISC-V

78MHz

448Kb

128Kb

40

QFN48/QFN32/QFN26C3/QFN20

CH584

RISC-V

78MHz

448Kb

96Kb

40

QFN48/QFN32

CH592

RISC-V

20MHz

448Kb

26Kb

24

QFN32/QFN28

CH591

RISC-V

20MHz

192Kb

26Kb

20

QFN28/QFN20/TSSOP16

CH583

RISC-V

20MHz

448Kb

32Kb

40

QFN48

CH582

RISC-V

20MHz

448Kb

32Kb

40

QFN48/QFN28

CH572

RISC-V

100MHz

240Kb

12Kb

12

QFN20/DFN10X3/TSSOP16

RISC-V

100MHz

240Kb

12Kb

12

QFN20/DFN10X3/SOP8

RISC-V

20MHz

448Kb

18Kb

22

QFN28

RISC-V

20MHz

192Kb

18Kb

20

QFN28/TSSOP16/ESSOP10

E8051

24MHz

16Kb

256+256

17

TSSOP20/SOP16

CH543

E8051

24MHz

16Kb

256+256

17

QFN20

CH546

E8051

32MHz

35Kb

1K+256

44

LQFP48/SOP16

CH548

E8051

32MHz

35Kb

2K+256

44

LQFP48/SOP16/SOP8

CH547

E8051

32MHz

63Kb

1K+256

44

LQFP48/QFN28/SOP16

CH549

E8051

32MHz

63Kb

2K+256

44

LQFP48/QFN28/SOP16

CH545

E8051

32MHz

63Kb

8K+256

58

LQFP64

CH551

E8051

24MHz

10Kb

512+256

13

SOP16

CH552

E8051

24MHz

16Kb

1K+256

17

TSSOP20/SOP16/MSOP10/QFN16

E8051

24MHz

16Kb

1K+256

17

TSSOP20/SOP16/MSOP10/QFN16

E8051

56MHz

35Kb

4K+256

45

LQFP48/SSOP20

E8051

56MHz

63Kb

6K+256

45

LQFP48/SSOP20

E8051

32MHz

63Kb

8K+256

45

LQFP48/LQFP64

CH557

E8051

32MHz

63Kb

8K+256

58

LQFP48/LQFP64