參數(shù)資料
型號(hào): CY7C67200
廠商: Cypress Semiconductor Corp.
英文描述: EZ-OTG Programmable USB On-The-Go Host/Peripheral Controller(EZ-OTG可編程USB On-The-Go主機(jī)/外圍設(shè)備控制器)
中文描述: 的EZ - OTG公司可編程的USB On - The - Go的主機(jī)/外設(shè)控制器(的EZ - OTG公司可編程的USB On - The - Go的主機(jī)/外圍設(shè)備控制器)
文件頁(yè)數(shù): 12/82頁(yè)
文件大小: 1719K
代理商: CY7C67200
CY7C67200
Document #: 38-08014 Rev. *F
Page 12 of 82
8.1.4
CPU Speed Register [0xC008] [R/W]
Figure 8-5. CPU Speed Register
Register Description
The CPU Speed register allows the processor to operate at a user selected speed. This register only affects the CPU, all other
peripheral timing is still based on the 48-MHz system clock (unless otherwise noted).
CPU Speed
(Bits[3:0])
The CPU Speed field is a divisor that selects the operating speed of the processor as defined in
Table 8-2
.
Reserved
All reserved bits must be written as ‘0’.
Bit #
15
14
13
12
11
10
9
8
Field
Reserved...
Read/Write
-
-
-
-
-
-
-
-
Default
0
0
0
0
0
0
0
0
Bit #
7
6
5
4
3
2
1
0
Field
...Reserved
CPU Speed
Read/Write
-
-
-
-
R/W
R/W
R/W
R/W
Default
0
0
0
0
1
1
1
1
Table 8-2. CPU Speed Definition
CPU Speed [3:0]
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Processor Speed
48 MHz/1
48 MHz/2
48 MHz/3
48 MHz/4
48 MHz/5
48 MHz/6
48 MHz/7
48 MHz/8
48 MHz/9
48 MHz/10
48 MHz/11
48 MHz/12
48 MHz/13
48 MHz/14
48 MHz/15
48 MHz/16
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