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參數(shù)資料
| 型號： | CY7C64113 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | Full-Speed USB (12 Mbps) Function(全速 USB (12 Mbps)性能) |
| 中文描述： | 全速USB（12 Mbps）的功能（全速的USB（12 Mbps）的性能） |
| 文件頁數(shù)： | 15/46頁 |
| 文件大小： | 381K |
| 代理商： | CY7C64113 |
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CY7C64013
CY7C64113
PRELIMINARY
15
5.6
The CY7C64013 and CY7C64113 microcontrollers support three addressing modes for instructions that require data operands:
data, direct, and indexed.
Address Modes
5.6.1
“
Data
”
address mode refers to a data operand that is actually a constant encoded in the instruction. As an example, consider the
instruction that loads A with the constant 0xD8:
MOV A,0D8h
This instruction requires two bytes of code where the first byte identifies the
“
MOV A
”
instruction with a data operand as the second
byte. The second byte of the instruction is the constant
“
0xD8
”
. A constant may be referred to by name if a prior
“
EQU
”
statement
assigns the constant value to the name. For example, the following code is equivalent to the example shown above:
DSPINIT: EQU 0D8h
MOV A,DSPINIT
Data (Immediate)
5.6.2
“
Direct
”
address mode is used when the data operand is a variable stored in SRAM. In that case, the one byte address of the
variable is encoded in the instruction. As an example, consider an instruction that loads A with the contents of memory address
location 0x10:
MOV A,[10h]
Normally, variable names are assigned to variable addresses using
“
EQU
”
statements to improve the readability of the assembler
source code. As an example, the following code is equivalent to the example shown above:
buttons: EQU 10h
MOV A,[buttons]
Direct
5.6.3
“
Indexed
”
address mode allows the firmware to manipulate arrays of data stored in SRAM. The address of the data operand is
the sum of a constant encoded in the instruction and the contents of the
“
X
”
register. Normally, the constant is the
“
base
”
address
of an array of data and the X register contains an index that indicates which element of the array is actually addressed:
array: EQU 10h
MOV X,3
MOV A,[X+array]
This would have the effect of loading A with the fourth element of the SRAM
“
array
”
that begins at address 0x10. The fourth
element would be at address 0x13.
Indexed
6.0
Clocking
Figure 6-1. Clock Oscillator On-Chip Circuit
The XTALIN and XTALOUT are the clock pins to the microcontroller. The user can connect an external oscillator or a crystal to
these pins. When using an external crystal, keep PCB traces between the chip leads and crystal as short as possible (less than
2 cm). A 6-MHz fundamental crystal can be connected to these pins to provide a reference frequency for the internal PLL. A
ceramic resonator does not allow the microcontroller to meet the timing specifications of a full speed USB and therefore a ceramic
resonator is not recommended with these parts.
An external 6-MHz clock can be applied to the XTALIN pin if the XTALOUT pin is left open. Grounding the XTALOUT pin when
driving XTALIN with an oscillator does not work because the internal clock is effectively shorted to ground.
XTALOUT
(pin 1)
XTALIN
(pin 2)
to internal PLL
30 pF
30 pF
相關PDF資料 |
PDF描述 |
|---|---|
| CY7C64713 | EZ-USB FX1 USB Microcontroller Full-speed USB Peripheral Controller(EZ-USB FX1 USB微控制器，全速USB外設控制器) |
| CY7C64714 | EZ-USB FX1 USB Microcontroller Full-speed USB Peripheral Controller(EZ-USB FX1 USB微控制器，全速USB外設控制器) |
| CY7C68001 | EZ-USB FX2 USB Microcontroller High-Speed USB Peripheral Controller |
| CY7C68013 | Universal Serial Bus Microcontroller(EZ-USB FX2 USB 高速USB外圍微控制器) |
| CY7C68015A | EZ-USB FX2LP USB Microcontroller |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C64113A-PVXC | 功能描述:IC MCU 8K FULL SPEED USB 48-SSOP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器 - 特定應用 系列:M8™ 產(chǎn)品變化通告:Product Discontinuation 26/Aug/2009 標準包裝:250 系列:- 應用:網(wǎng)絡處理器 核心處理器:4Kc 程序存儲器類型:- 控制器系列:- RAM 容量:16K x 8 接口:以太網(wǎng)，UART，USB 輸入/輸出數(shù):- 電源電壓:1.8V, 3.3V 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:208-LQFP 包裝:帶卷 (TR) 供應商設備封裝:PG-LQFP-208 其它名稱:SP000314382 |
| CY7C64113C-PVXC | 功能描述:IC MCU 8K FULL SPEED USB 48-SSOP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器 - 特定應用 系列:M8™ 產(chǎn)品變化通告:Product Discontinuation 26/Aug/2009 標準包裝:250 系列:- 應用:網(wǎng)絡處理器 核心處理器:4Kc 程序存儲器類型:- 控制器系列:- RAM 容量:16K x 8 接口:以太網(wǎng)，UART，USB 輸入/輸出數(shù):- 電源電壓:1.8V, 3.3V 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:208-LQFP 包裝:帶卷 (TR) 供應商設備封裝:PG-LQFP-208 其它名稱:SP000314382 |
| CY7C64113-PVC | 功能描述:IC MCU 8K FULL SPEED USB 48-SSOP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器 - 特定應用 系列:M8™ 產(chǎn)品變化通告:Product Discontinuation 26/Aug/2009 標準包裝:250 系列:- 應用:網(wǎng)絡處理器 核心處理器:4Kc 程序存儲器類型:- 控制器系列:- RAM 容量:16K x 8 接口:以太網(wǎng)，UART，USB 輸入/輸出數(shù):- 電源電壓:1.8V, 3.3V 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:208-LQFP 包裝:帶卷 (TR) 供應商設備封裝:PG-LQFP-208 其它名稱:SP000314382 |
| CY7C64113-PVCT | 制造商:Cypress Semiconductor 功能描述: |
| CY7C6421528PVXC | 制造商:Cypress Semiconductor 功能描述: |
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