668-0003-C Rabbit Semiconductor, 668-0003-C Datasheet - Page 110

• Manufacturer Part Number: 668-0003-C
• Description: IC CPU RABBIT2000 30MHZ 100PQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 668-0003-C

• Rohs Status: RoHS non-compliant
• Processor Type: Rabbit 2000 8-Bit
• Speed: 30MHz
• Voltage: 2.7V, 3V, 3.3V, 5V
• Mounting Type: Surface Mount
• Package / Case: 100-MQFP, 100-PQFP
• Features: -
• Other names: 316-1004; 668-0003

• PDCR—Parallel port D control register. This register is used to control the clocking of
104
the upper and lower nibble of the final output register of the port. On reset, bits 0, 1, 4,
and 5 are reset to zero.
I/O Data
Figure 9-1. Parallel Port D Block Diagram
perclk/2
Timer A1
Timer B1
Timer B2
perclk/2
Timer A1
Timer B1
Timer B2
Rabbit 2000 Microprocessor User’s Manual
ATXA
ATXB
ARXA
ARXB
Driver—optional open drain
Inputs
PD7
PD5
PD6
PD4
PD3
PD0