20-668-0024 Rabbit Semiconductor, 20-668-0024 Datasheet - Page 199

• 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

Chapter 19 DMA Channels
Bit(s)
7:6
5:3
2:0
DMA Master Timing Control Register
Value
000
001
010
100
101
000
001
010
100
101
011
110
111
011
110
111
0x
10
11
Fixed DMA channel priority. Higher channel number has higher priority.
Rotating DMA channel priority. Priority rotates highest channel number to
lowest channel number after every byte is transferred.
Rotating DMA channel priority. Priority rotates highest channel number to
lowest channel number after the current channel request is serviced.
Maximum one byte per burst.
Maximum two bytes per burst.
Maximum three bytes per burst.
Maximum four bytes per burst.
Maximum eight bytes per burst.
Maximum 16 bytes per burst.
Maximum 32 bytes per burst.
Maximum 64 bytes per burst.
Minimum 12 clocks between bursts.
Minimum 16 clocks between bursts.
Minimum 24 clocks between bursts.
Minimum 32 clocks between bursts.
Minimum 64 clocks between bursts.
Minimum 128 clocks between bursts.
Minimum 256 clocks between bursts.
Minimum 512 clocks between bursts.
(DMTCR)
Description
(Address = 0x0105)
189