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AX1001
AX1002

AX1003
AX101

AX102

AX201

AX203
AX2002
AX2005
AX211
AX3003

Architecture

8-bit

8-bit

8-bit

8-bit

8-bit

8-bit

8-bit

8-bit

8-bit
32-bit
32-bit

Maximum Speed

144MIPS

144MIPS

144MIPS

70MIPS

40MIPS

20MIPS

48MIPS

144MIPS

144MIPS
50MIPS
120MIPS

No. of instruction

60

79

79

59

64

63

MC51
(8051)

MC51
(8051)
MC51
(8051)
Proprietary
Proprietary

Program ROM

8K x 16 bit (OTP)

8K x8bit (OTP)

8K x 8 bit (OTP)

4K x 14bit (OTP)

4K x 16 bit (OTP)

16k x 8bit (OTP)

16k x 8bit (OTP)

32K Byte (OTP)

32K Byte (OTP)
512 byte
(ROM)
12K byte
(ROM)

Instruction-RAM

8KByte

8KByte

8KByte

N/A

N/A

N/A

N/A

16K Byte

64K Byte
11K Byte
96K Byte

Data Memory

2KByte

256Byte

256Byte

256Byte

640Byte

768Byte

384Byte

8192+256 Byte

256 Byte
11K Byte
96K Byte

External Memory

8MB

software

software

N/A

N/A

N/A

64KB

512KB
64K Byte
N/A
SDRAM

GPIO pins

88 max

38

36

27

26

22

32

56
60
29
112

Built-in ADC

N/A

8 channels
(10-bit)

8 channels
(10-bit)

10 channels
(10-bit)

8 channels
(10-bit)

4 channels (10bit)

8 channels
(8Bit)

6 channels (12bit)

N/A
N/A
8 channels
(10bit)

Built-in DAC

N/A

N/A

1 channel
(10-bit)

1 channel
(10-bit)

1 channel
(10-bit)

N/A

N/A

N/A

2 channels
(16bit)
N/A
3 video DAC
(8-bit)
2 Channels
16bit Audio DAC

USB

2.0 (Device)

2.0 (Device)

2.0 (Device)

N/A

2.0 (Device)

N/A

2.0 (Device)

2.0 ( OTG )

2.0 ( OTG )
N/A
2.0(OTG)

Endpoint

EP0 + 2 IN + 2 OUT

EP0 + 2 IN + 2 OUT

EP0 + 2 IN + 2 OUT

N/A

EP0 + 3 IN + 3 OUT

N/A

EP0 + 1 IN + 2 OUT

EP0 + 4 IN + 4 OUT
EP0 + 3IN +3OUT
N/A
EP0 + 3 IN +
3 OUT

FIFO

176

176

176

N/A

512

N.A

160

512
512
N/A
256/1K

Timer

3

3

3

3

3

4

3

7
6
1
4

Ethernet

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A
N/A
N/A
MII

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

YES
YES
YES

UART

YES

YES

YES

YES

YES

YES

YES

YES
YES
TX only
YES

SPI

YES

YES

YES

YES

YES

N/A

YES

YES
YES
N/A
YES

I 2C

YES

YES

YES

YES

N/A

N/A

N/A

software
YES
YES
YES

I2S

N/A

YES

YES

N/A

YES

N/A

N/A

YES
YES
N/A
YES

GPSI

YES

YES

YES

YES

YES

N/A

N/A

YES
YES
N/A
YES

PWM

YES

YES

YES

YES

YES

3 channels (8bit)

1 channels (16bit)

2 channels (16bit)

YES
N/A
YES

Built-in Reset

Brown-out

Brown-out

Brown-out

Brown-out

Brown-out

N/A

Brown-out

Brown-out

Brown-out
N/A
Low-voiltage detection

Power-on

Power-on

Power-on

Power-on

Power-on

N/A

Power-on

Power-on

Power-on
POR
Power-on

ISD

YES

YES

YES

N/A

N/A

N/A

YES

YES
YES
N/A
YES

IAP

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A
YES
N/A

ISP

YES

YES

YES

YES

YES

YES

YES

YES
YES
YES
N/A

DSP Instruction

16bit MAC

8 bit MAC

8 bit MAC

N/A

N/A

N/A

N/A

DSP Engine

DSP Engine
N/A
DSP Engine
                       


 
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