668-0011 Rabbit Semiconductor, 668-0011 Datasheet - Page 221

• Manufacturer Part Number: 668-0011
• Description: IC MPU RABIT3000A 55.5MHZ128LQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 668-0011

• Rohs Status: RoHS non-compliant
• Processor Type: Rabbit 3000 8-Bit
• Speed: 55.5MHz
• Voltage: 2.5V, 2.7V, 3V, 3.3V
• Mounting Type: Surface Mount
• Package / Case: 128-LQFP
• Features: -
• Other names: 316-1043

Chapter 25 Low-Power Operation
Bit(s)
* Bit 3 is not used on the original Rabbit 3000 microprocessor.
7:5
2:0
3
4
Global Power Save Control Register
*
Value
000
001
010
011
100
101
110
111
000
001
010
011
100
101
110
111
0
1
0
1
Self-timed chip selects are disabled.
This bit combination is reserved and should not be used.
This bit combination is reserved and should not be used.
This bit combination is reserved and should not be used..
296 ns self-timed chip selects (192 ns best case, 457 ns worst case).
234 ns self-timed chip selects (151 ns best case, 360 ns worst case).
171 ns self-timed chip selects (111 ns best case, 264 ns worst case).
109 ns self-timed chip selects (71 ns best case, 168 ns worst case).
Normal Chip Select timing for read cycles.
Short Chip Select timing for read cycles (not available in full speed).
Normal Chip Select timing for write cycles
Short Chip Select timing for write cycles (not available in full speed).
The 32 kHz clock divider is disabled.
This bit combination is reserved and should not be used.
This bit combination is reserved and should not be used.
This bit combination is reserved and should not be used.
32 kHz clock divided by 2 (16.384 kHz).
32 kHz clock divided by 4 (8.192 kHz).
32 kHz clock divided by 8 (4.096 kHz).
32 kHz clock divided by 16 (2.048 kHz).
(GPSCR)
Description
(Address = 0x000D)
211