668-0011 Rabbit Semiconductor, 668-0011 Datasheet - Page 177

• 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 19 Slave Port
Bit(s)
(Write
(Write
only)
only)
* Introduced with Rabbit 3000A chip.
6:5
3:2
1:0
7
4
Slave Port Control Register
Value
Write
Read
00
01
10
11
00
01
10
11
0
1
0
1
Program fetch as a function of the SMODE pins.
Ignore the SMODE pins program fetch function.
These bits report the state of the SMODE pins.
These bits are ignored and should be written with zero.
/SCS from PE7.
/SCS from PB6
Disable the slave port. Parallel Port A is a byte-wide input port.
Disable the slave port. Parallel Port A is a byte-wide output port.
Enable the slave port.
Enable the external I/O bus. Parallel Port A is used for the data bus and Parallel
Port B[7:2] is used for the address bus.
Slave port interrupts are disabled.
Slave port interrupts use Interrupt Priority 1.
Slave port interrupts use Interrupt Priority 2.
Slave port interrupts use Interrupt Priority 3.
*
.
(SPCR)
Description
(Address = 0x0024)
167