Jameco Electronics 3000 ユーザーズマニュアル

For the benefit of readers who are familiar with the Rabbit 2000 microprocessor the Rab-
bit 3000 is contrasted with the Rabbit 2000 in the table below.

Maximum clock speed

54 MHz

30 MHz 

Maximum crystal frequency main oscillator (may be 
doubled internally)

30 MHz

32 MHz

32.768 kHz crystal oscillator

External

Internal

Maximum operating voltage

3.6 V

5.5 V

Maximum I/O input voltage

5.5 V

5.5 V

Current consumption

2 mA/MHz @ 3.3 V

4 mA/MHz @5 V

Number of package pins

128

100

Size of package

16 × 16 × 1.5 mm LQFP

10 × 10 × 1.2 mm 

TFBGA

24 × 18 × 3 mm PQFP 

Spacing between package pins

0.4 mm (16 mils) LQFP

0.8 mm TFBGA

0.65 mm (26 mils) PQFP

Separate power and ground for I/O buffers (EMI 
reduction)

Yes

No

Clock Spectrum Spreader (EMI reduction)

Yes

Rabbit 2000B and

Rabbit 2000C versions. 

Clock Modes

1x, 2x, /2, /3, /4, /6, /8

1x, 2x, /4, /8

Power Down Modes

Sleepy (32 kHz)

Ultra-Sleepy

(16, 8, 2 kHz)

Sleepy (32 kHz)

Low Power Memory Control (Chip Select)

Short CS (CLK /4 /6 /8)

Self Timed

(32,16,8,2 kHz) 

None

Extended memory timing for high freq. operation

Yes

No

Number of 8-bit I/O ports

7

5

Auxiliary I/O Data/Address bus

Yes

None

Number of serial ports

6

4

Serial ports capable of SPI/clocked serial

4 (A, B, C, D)

2 (A, B)

Serial ports capable of SDLC/HDLC

2 (E, F)

None

Asynch serial ports with support for IrDA 
communications

6

None