參數資料
型號: S1R72803F00A100
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), 400M bps, SERIAL COMM CONTROLLER, PQFP100
封裝: 0.40 MM PITCH, PLASTIC, QFP20-184
文件頁數: 99/115頁
文件大小: 833K
代理商: S1R72803F00A100
S1R72803F00A
80
EPSON
IDE Configuration Register
This register sets the mode of operation of the IDE interface of this IC.
Bit7 IDE_Reset
Writing “1” to this bit asserts the RESET signal to the IDE interface for 50
s. During asserting the XHRESET,
this bit reads “1”. If you reset it during the assertion, the XHRESET is output for 50
s from that time.
Bit6::3 Reserved
Bit2 XDIOW_DLYen
XDIOW is delayed by one clock (20 ns) as compared with XDMACK on Multiword DMA.
Bit1::0 Reserved
Address
Register Name
Bit Symbol
R/W
Description
H.Rst S.Rst B.Rst
0x62
IDE_RegAccCyc 7: Assert Pulse[3]
6: Assert Pulse[2]
R/W IDE Register Access Strobe Signal Assert Pulse
5: Assert Pulse[1]
Width Minimum Value
4: Assert Pulse[0]
0x00
3: Negate Pulse[3]
2: Negate Pulse[2] R/W IDE Register Access Strobe Signal Negate Pulse
1: Negate Pulse[1]
Width Minimum Value
0: Negate Pulse[0]
IDE Register Access Cycle Register
This register sets a transfer mode when accessing the register area of the IDE interface. It is enabled for an access
to 0x70 to 0x7F of the IDE-CS0/CS1 Register.
Bit7::4 Assert Pulse
Decides the minimum value of the assert period of the strobe signal when accessing the register area of the IDE
interface. It is a value [Assert Pulse + 2] times the internal operation clock (50MHz) cycle.
Bit3::0 Negate Pulse
Decides the minimum value of the negate period of the strobe signal when accessing the register area of the IDE
interface. It is a value [Assert Pulse + 2] times the internal operation clock (50MHz) cycle.
Example: 0000: 2 x 20ns = 40ns
0001: 3 x 20s = 60ns
Address Register Name
Bit Symbol
R/W
Description
H.Rst S.Rst B.Rst
0x61
IDE_Config1
7: IDE_Reset
R/W
0: None
1: IDE Reset
6:
0:
1:
5:
0:
1:
4:
0:
1:
0x00
3:
0:
1:
2: XDIOW_DLYen R/W
0: None
1: Delay XDIOW
1:
0:
1:
0:
1:
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