EZ80190AZ050EC Zilog, EZ80190AZ050EC Datasheet - Page 153
EZ80190AZ050EC
Manufacturer Part Number
EZ80190AZ050EC
Description
IC WEBSERVER 50MHZ XTEMP 100lQFP
Manufacturer
Zilog
Datasheet
1.EZ80190AZ050SG.pdf
(221 pages)
Specifications of EZ80190AZ050EC
Processor Type
eZ80
Features
High Speed, Single-Cycle Instruction-Fetch
Speed
50MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3123
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Table 76. DMA Registers (Continued)
PS006614-1208
Name
DMA0_DAR_L
DMA0_DAR_H
DMA0_DAR_U
DMA0_BC_L
DMA0_BC_H
DMA0_CTL
DMA1_SAR_L
DMA1_SAR_H
DMA1_SAR_U
DMA1_DAR_L
DMA1_DAR_H
DMA1_DAR_U
DMA1_BC_L
DMA1_BC_H
DMA1_CTL
DMA Source Address Registers
Table 77. DMA Source Address Registers
Bit
Reset
CPU Access
Note: X = Undefined; R/W = Read/Write.
DMA0_SAR_U = F0h, DMA1_SAR_L = F7h, DMA1_SAR_H = F8h, DMA1_SAR_U = F9h
These two groups of registers hold the 24-bit addresses of the source memory location for
DMA Channel 0 and Channel 1. Depending upon settings within the DMA Control regis-
ters’ SARx_CTL fields, the 24-bit address values can automatically be incremented, dec-
remented, or unchanged following the transfer of each byte of data. See
Description
DMA0 Destination Address Low Byte register
DMA0 Destination Address High Byte register
DMA0 Destination Address Upper Byte register
DMA0 Byte Count Low Byte register
DMA0 Byte Count High Byte register
DMA0 Control register
DMA1 Source Address Low Byte register
DMA1 Source Address High Byte register
DMA1 Source Address Upper Byte register
DMA1 Destination Address Low Byte register
DMA1 Destination Address High Byte register
DMA1 Destination Address Upper Byte register
DMA1 Byte Count Low Byte register
DMA1 Byte Count High Byte register
DMA1 Control register
R/W
X
7
R/W
X
6
R/W
X
5
DMA0_SAR_L = EEh, DMA0_SAR_H = EFh,
R/W
X
4
R/W
X
3
Access
CPU
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Direct Memory Access Controller
X
2
Product Specification
R/W
X
1
Reset
Value
00h
00h
00h
00h
00h
00h
XX
XX
XX
XX
XX
XX
XX
XX
XX
Table
R/W
X
0
77.
Register
Address
eZ80190
FBh
FCh
FDh
FEh
F1h
F2h
F3h
F4h
F5h
F6h
F7h
F8h
F9h
FAh
FFh
143
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