LM3S5632 Luminary Micro, Inc, LM3S5632 Datasheet - Page 206

• Manufacturer Part Number: LM3S5632
• Description: Lm3s5632 Arm Microcontroller
• Manufacturer: Luminary Micro, Inc

Micro Direct Memory Access (μDMA)
206
Bit/Field
7:4
3:1
0
MASTEN
reserved
STATE
Name
Type
RO
RO
RO
Reset
0x00
0x00
0x00
Preliminary
Description
Control State Machine State
Current state of the control state machine. State can be one of the
following.
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
Master Enable
Returns status of the controller.
Value
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x8
0x9
0xA-0xF
Value
0
1
Description
Disabled
Enabled
Description
Idle
Read Chan Control Data
Reading channel controller data.
Read Source End Ptr
Reading source end pointer.
Read Dest End Ptr
Reading destination end pointer.
Read Source Data
Reading source data.
Write Dest Data
Writing destination data.
Wait for Req Clear
Waiting for DMA request to clear.
Write Chan Control Data
Writing channel controller data.
Stalled
Done
Undefined
June 02, 2008