668-0011 Rabbit Semiconductor, 668-0011 Datasheet - Page 60

• 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

50
Bit(s)
Bit(s)
Bit(s)
7:3
2:0
7:4
7:1
3
2
1
0
0
Write Protection Control Register
Memory Timing Control Register
MMU Expanded Code Register
Value
Value
Value
000
001
010
011
100
101
110
111
0
1
0
1
0
1
0
1
0
1
These bits are reserved and should be written with zeros. Read returns zeros.
Normal operation.
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.
For an XPC access, use MB0CR independent of bank select address.
For an XPC access, use MB1CR independent of bank select address.
For an XPC access, use MB2CR independent of bank select address.
For an XPC access, use MB3CR independent of bank select address.
These bits are reserved and should be written with zeros.
Normal timing for /OE1 (rising edge to rising edge, one clock minimum).
Extended timing for /OE1 (one-half clock earlier than normal).
Normal timing for /OE0 (rising edge to rising edge, one clock minimum).
Extended timing for /OE0 (one-half clock earlier than normal).
Normal timing for /WE1 (rising edge to falling edge, one and one-half clocks
minimum).
Extended timing for /WE1 (falling edge to falling edge, two clocks minimum).
Normal timing for /WE0 (rising edge to falling edge, one and one-half clocks
minimum).
Extended timing for /WE0 (falling edge to falling edge, two clocks minimum).
These bits are reserved and should be written with zeros.
Write protection in User Mode only.
Write protection in System and User modes.
(WPCR)
(MECR)
(MTCR)
Description
Description
Description
Rabbit 3000 Microprocessor User’s Manual
(Address = 0x0018)
(Address = 0x0019)
(Address = 0x0440)