S1R72105 Technical Manual
Rev.1.0
EPSON
23
7.3.14 Port DMA Size High (PortDMASize_H) R/W
Sets the most significant byte of the byte-length (3 bytes) for port DMA transfer.
Address
Register Name
Bit Symbol
Description
11h PortDMASize_H 7:
PortDMASize[23]
6:
PortDMASize[22]
5:
PortDMASize[21]
4:
PortDMASize[20]
3:
PortDMASize[19]
2:
PortDMASize[18]
1:
PortDMASize[17]
0:
PortDMASize[16]
Port DMA Size High
7.3.15 Port DMA Size Middle (PortDMASize_M) R/W
Sets the second byte of the byte-length (3 bytes) for port DMA transfer.
Address
Register Name
Bit Symbol
Description
12h PortDMASize_M 7:
PortDMASize[15]
6:
PortDMASize[14]
5:
PortDMASize[13]
4:
PortDMASize[12]
3:
PortDMASize[11]
2:
PortDMASize[10]
1:
PortDMASize[9]
0:
PortDMASize[8]
Port DMA Size Middle
7.3.16 Port DMA Size Low (PortDMASize_L) R/W
Sets the least significant byte of the byte-length (3 bytes) for port DMA transfer.
Address
Register Name
Bit Symbol
Description
13h PortDMASize_L 7:
PortDMASize[7]
6:
PortDMASize[6]
5:
PortDMASize[5]
4:
PortDMASize[4]
3:
PortDMASize[3]
2:
PortDMASize[2]
1:
PortDMASize[1]
0:
PortDMASize[0]
Port DMA Size Low
