Epson S1C33210 Personal Computer User Manual


 
V DMA BLOCK: HSDMA (High-Speed DMA)
B-V-2-24 EPSON S1C33210 FUNCTION PART
NameAddressRegister name Bit Function Setting Init. R/W Remarks
S2ADRL15
S2ADRL14
S2ADRL13
S2ADRL12
S2ADRL11
S2ADRL10
S2ADRL9
S2ADRL8
S2ADRL7
S2ADRL6
S2ADRL5
S2ADRL4
S2ADRL3
S2ADRL2
S2ADRL1
S2ADRL0
DF
DE
DD
DC
DB
DA
D9
A8
D7
D6
D5
D4
D3
D2
D1
D0
D) Ch.2 source address[15:0]
S) Ch.2 memory address[15:0]
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
R/W0048244
(HW)
High-speed
DMA Ch.2
low-order
source address
set-up register
Note:
D) Dual address
mode
S) Single
address
mode
DATSIZE2
S2IN1
S2IN0
S2ADRH11
S2ADRH10
S2ADRH9
S2ADRH8
S2ADRH7
S2ADRH6
S2ADRH5
S2ADRH4
S2ADRH3
S2ADRH2
S2ADRH1
S2ADRH0
DF
DE
DD
DC
DB
DA
D9
A8
D7
D6
D5
D4
D3
D2
D1
D0
reserved
Ch.2 transfer data size
D) Ch.2 source address control
S) Ch.2 memory address control
D) Ch.2 source address[27:16]
S) Ch.2 memory address[27:16]
0
0
0
X
X
X
X
X
X
X
X
X
X
X
X
R/W
R/W
R/W
0048246
(HW)
1 Half word 0 Byte
High-speed
DMA Ch.2
high-order
source address
set-up register
Note:
D) Dual address
mode
S) Single
address
mode
1
1
0
0
1
0
1
0
S2IN[1:0] Inc/dec
Inc.(no init)
Inc.(init)
Dec.(no init)
Fixed
D2ADRL15
D2ADRL14
D2ADRL13
D2ADRL12
D2ADRL11
D2ADRL10
D2ADRL9
D2ADRL8
D2ADRL7
D2ADRL6
D2ADRL5
D2ADRL4
D2ADRL3
D2ADRL2
D2ADRL1
D2ADRL0
DF
DE
DD
DC
DB
DA
D9
A8
D7
D6
D5
D4
D3
D2
D1
D0
D) Ch.2 destination address[15:0]
S) Invalid
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
R/W0048248
(HW)
High-speed
DMA Ch.2
low-order
destination
address set-up
register
Note:
D) Dual address
mode
S) Single
address
mode