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參數(shù)資料
| 型號(hào)： | ST72F651AR6T1 |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, MICROCONTROLLER, PQFP64 |
| 封裝： | 10 X 10 MM, ROHS COMPLIANT, TQFP-64 |
| 文件頁(yè)數(shù)： | 134/161頁(yè) |
| 文件大?。?/td> | 2656K |
| 代理商： | ST72F651AR6T1 |
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ST72651AR6
74/161
Doc ID 7215 Rev 4
USB INTERFACE (Cont’d)
Bit 2= DTOG_TX Data Toggle, for transmission
transfers.
This bit contains the required value of the toggle
bit (0=DATA0, 1=DATA1) for the next data packet.
DTOG_TX and DTOG_RX are normally updated
by hardware, on receipt of a relevant PID. They
can be also written by the user, both for testing
purposes and to force a specific (DATA0 or
DATA1) token.
Bits 1:0 = STAT_TX [1:0] Status bits, for transmis-
sion transfers.
These bits contain the information about the end-
point status, which is listed below
Table 25. Transmission Status Encoding
These bits are written by software, but hardware
sets the STAT_TX bits to NAK when a correct
transfer (CTR=1) addressed to this endpoint has
occurred. This allows software to prepare the next
set of data to be transmitted.
Note: These bits are write protected in upload
mode (MOD[1:0] =01b in the EP2RXR register)
RECEPTION COUNTER REGISTER (CNT0RXR,
CNT1RXR)
Read/Write
Reset Value: 0000 0000 (00h)
This register contains the allocated buffer size for
endpoint 0 or 1 reception, setting the maximum
number of bytes the related endpoint can receive
with the next OUT (or SETUP for Endpoint 0)
transaction. At the end of a reception, the value of
this register is the max size decremented by the
number of bytes received (to determine the
number of bytes received, the software must sub-
tract the content of this register from the allocated
buffer size).
RECEPTION COUNTER REGISTER (CNT2RXR)
Read/Write
Reset Value: 0000 0000 (00h)
This register contains the allocated buffer size for
endpoint
2
reception,
setting
the
maximum
number of bytes the related endpoint can receive
with the next OUT transaction. At the end of a re-
ception, the value of this register is the maximum
size decremented by the number of bytes received
(to determine the number of bytes received, the
software must subtract the content of this register
from the allocated buffer size).
TRANSMISSION COUNTER REGISTER
(CNT0TXR, CNT1TXR)
Read/Write
Reset Value 0000 0000 (00h)
This register contains the number of bytes to be
transmitted by Endpoint 0 or 1 at the next IN token
addressed to it.
TRANSMISSION COUNTER REGISTER
(CNT2TXR)
Read/Write
Reset Value 0000 0000 (00h)
This register contains the number of bytes to be
transmitted by Endpoint 2 at the next IN token ad-
dressed to it.
STAT_TX1 STAT_TX0
Meaning
00
DISABLED: transmission
transfers cannot be executed.
01
STALL: the endpoint is stalled
and all transmission requests
result in a STALL handshake.
10
NAK: the endpoint is naked
and all transmission requests
result in a NAK handshake.
11
VALID: this endpoint is ena-
bled for transmission.
70
0
CNT4 CNT3 CNT2 CNT1 CNT0
70
0
CNT6 CNT5 CNT4 CNT3 CNT2 CNT CNT0
70
0
CNT4 CNT3 CNT2 CNT1 CNT0
70
0
CNT6 CNT5 CNT4 CNT3 CNT2 CNT1 CNT0
1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST72F651AR6T1E | 功能描述:8位微控制器 -MCU Flash 32K USB/DTC/I2 RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| ST72P262M6/OZXTR | 制造商:STMicroelectronics 功能描述:ST72P262M6/OZXTR |
| ST72P324TA/OBZTR | 制造商:STMicroelectronics 功能描述: |
| ST72P324TA/OHXTR | 制造商:STMicroelectronics 功能描述: |
| ST72P4T128M-A05AU | 制造商:STEC Inc 功能描述:1GB,ECC,REG,DDR2-400,UNLEAD - Bulk |
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