20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 47

• Manufacturer Part Number: 20-668-0011
• Description: IC MPU RABIT3000A 55.5MHZ128LQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 20-668-0011

• 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
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 55.5 MHz
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 55 C
• Number Of Programmable I/os: 56
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 316-1061

Chapter 4 System Management
(Read-
(Read-
Bit(s)
Bit(s)
Bit(s)
only)
only)
7:6
5:4
1:0
6:5
4:0
6:5
4:0
3
2
7
7
Global ROM Configuration Register
Global RAM Configuration Register
Global Output Control Register
Value
Value
Value
00000
00001
Read
Read
00
01
10
11
00
01
10
11
00
01
10
11
1
0
x
0
1
0
1
CLK pin is driven by perclk.
CLK pin is driven by perclk/2.
CLK pin is low.
CLK pin is high.
STATUS pin is active (low) during a first opcode byte fetch.
STATUS pin is active (low) during an interrupt acknowledge.
STATUS pin is low.
STATUS pin is high.
WDTOUTB pin is low (1 cycle minimum, 2 cycles maximum, of 32 kHz).
WDTOUTB pin follows watchdog function.
This bit is ignored.
/BUFEN pin is active (low) during external I/O cycles.
/BUFEN pin is active (low) during data memory accesses.
/BUFEN pin is low.
/BUFEN pin is high.
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.
ROM identifier for this version of the chip.
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.
RAM identifier for this version of the chip.
(GROM)
(GRAM)
(GOCR)
Description
Description
Description
(Address = 0x002C)
(Address = 0x002D)
(Address = 0x000E)
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