Microchip Technology MA330019-2 Data Sheet

DS70292G-page 138

© 2007-2012 Microchip Technology Inc.

 

U-0

U-0

U-0

U-0

R-1

R-1

R-1

R-1

—

—

—

—

LSTCH<3:0>

bit 15

bit 8

R-0

R-0

R-0

R-0

R-0

R-0

R-0

R-0

PPST7

PPST6

PPST5

PPST4

PPST3

PPST2

PPST1

PPST0

bit 7

bit 0

Legend:
R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 15-12

Unimplemented: Read as ‘0’

bit 11-8

LSTCH<3:0>: Last DMA Channel Active bits
1111 = No DMA transfer has occurred since system Reset
1110-1000 = Reserved
0111 = Last data transfer was by DMA Channel 7
0110 = Last data transfer was by DMA Channel 6
0101 = Last data transfer was by DMA Channel 5
0100 = Last data transfer was by DMA Channel 4
0011 = Last data transfer was by DMA Channel 3
0010 = Last data transfer was by DMA Channel 2
0001 = Last data transfer was by DMA Channel 1
0000 = Last data transfer was by DMA Channel 0

bit 7

PPST7: Channel 7 Ping-Pong Mode Status Flag bit
1 = DMA7STB register selected
0 = DMA7STA register selected

bit 6

PPST6: Channel 6 Ping-Pong Mode Status Flag bit
1 = DMA6STB register selected
0 = DMA6STA register selected

bit 5

PPST5: Channel 5 Ping-Pong Mode Status Flag bit
1 = DMA5STB register selected
0 = DMA5STA register selected

bit 4

PPST4: Channel 4 Ping-Pong Mode Status Flag bit
1 = DMA4STB register selected
0 = DMA4STA register selected

bit 3

PPST3: Channel 3 Ping-Pong Mode Status Flag bit
1 = DMA3STB register selected
0 = DMA3STA register selected

bit 2

PPST2: Channel 2 Ping-Pong Mode Status Flag bit
1 = DMA2STB register selected
0 = DMA2STA register selected

bit 1

PPST1: Channel 1 Ping-Pong Mode Status Flag bit
1 = DMA1STB register selected
0 = DMA1STA register selected

bit 0

PPST0: Channel 0 Ping-Pong Mode Status Flag bit
1 = DMA0STB register selected
0 = DMA0STA register selected