20-668-0024 Rabbit Semiconductor, 20-668-0024 Datasheet - Page 228

• Manufacturer Part Number: 20-668-0024
• Description: IC CPU RABBIT4000 128-LQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 20-668-0024

• Processor Type: Rabbit 4000 8-bit
• Speed: 60MHz
• Voltage: 2.5V, 2.7V, 3V, 3.3V
• Mounting Type: Surface Mount
• Package / Case: 128-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Other names: 20-668-0022; 316-1078

218
Network Port A Alignment Error Register
Bit(s)
Bit(s)
Bit(s)
Bit(s)
Bit(s)
Network Port A Missed Frame Register
7:0
7:0
7:0
7:0
7:0
Network Port A Checksum 0 Register
Network Port A Checksum 1 Register
Network Port A CRC Error Register
Value
Value
Value
Value
Value
read
read
read
read
read
The current value of the alignment-error counter is returned. This counter is
cleared by a read of this register.
The current value of the CRC error counter is returned. This counter is cleared by
a read of this register.
The LSB of the checksum for the completed frame is returned in this register.
The MSB of the checksum for the completed frame is returned in this register.
The current value of the missed-frame counter is returned. This counter is cleared
by a read of this register.
(NAMFR)
(NAAER)
(NACER)
(NAC0R)
(NAC1R)
Description
Description
Description
Description
Description
Rabbit 4000 Microprocessor User’s Manual
(Address = 0x0222)
(Address = 0x0223)
(Address = 0x0224)
(Address = 0x0225)
(Address = 0x0226)