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参数资料
| 型号： | UPSD3212AV-24U6T |
| 厂商： | 意法半导体 |
| 英文描述： | Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic |
| 中文描述： | 闪存可编程系统设备与8032具有USB和可编程逻辑控制器 |
| 文件页数： | 73/163页 |
| 文件大小： | 2844K |
| 代理商： | UPSD3212AV-24U6T |
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uPSD3212A, uPSD3212C, uPSD3212CV
Table 51. Description of the S2CON Bits
Table 52. Selection of the Serial Clock Frequency SCL in Master Mode
Bit
Symbol
Function
7
CR2
This bit along with Bits CR1and CR0 determines the serial clock frequency when SIO is
in the Master Mode.
6
ENII
Enable IIC. When ENI1 = 0, the IIC is disabled. SDA and SCL outputs are in the high
impedance state.
5
STA
START Flag. When this bit is set, the SIO H/W checks the status of the I
2
C-bus and
generates a START condition if the bus free. If the bus is busy, the SIO will generate a
repeated START condition when this bit is set.
4
STO
STOP Flag. With this bit set while in Master Mode a STOP condition is generated.
When a STOP condition is detected on the I
2
C bus, the I
2
C hardware clears the STO
Flag.
Note:
This bit have to be set before 1 cycle interrupt period of STOP That is, if this bit is
set, STOP condition in Master Mode is generated after 1 cycle interrupt period.
3
ADDR
This bit is set when address byte was received. Must be cleared by software.
2
AA
Acknowledge enable signal. If this bit is set, an acknowledge (low level to SDA) is
returned during the acknowledge clock pulse on the SCL line when:
Own slave address is received
A data byte is received while the device is programmed to be a Master Receiver
A data byte is received while the device is a selected Slave Receiver. When this bit is
reset, no acknowledge is returned.
SIO release SDA line as high during the acknowledge clock pulse.
1
CR1
These two bits along with the CR2 Bit determine the serial clock frequency when SIO is
in the Master Mode.
0
CR0
CR2
CR1
CR0
f
OSC
Divisor
Bit Rate (kHz) at f
OSC
12MHz
24MHz
36MHz
40MHz
0
0
0
16
375
750
X
X
0
0
1
24
250
500
750
833
0
1
0
30
200
400
600
666
0
1
1
60
100
200
300
333
1
0
0
120
50
100
150
166
1
0
1
240
25
50
75
83
1
1
0
480
12.5
25
37.5
41
1
1
1
960
6.25
12.5
18.75
20
相关PDF资料 |
PDF描述 |
|---|---|
| UPSD3212AV-40T6T | Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic |
| UPSD3212AV-40U6T | Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic |
| UPSD3212CV-24T6 | Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic |
| UPSD3212CV-24U6 | Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic |
| uPSD3212C | Flash Programmable System Devices with 8032 Microcontroller Core and 16Kbit SRAM(带8032微控制器内核和16Kbit SRAM的FLASH可编程系统器件) |
相关代理商/技术参数 |
参数描述 |
|---|---|
| UPSD3212AV-40T6T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic |
| UPSD3212AV-40U6T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic |
| UPSD3212C | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic |
| UPSD3212C-24T1T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 Microcontroller Core and 16Kbit SRAM |
| UPSD3212C-24T6T | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Flash Programmable System Devices with 8032 MCU with USB and Programmable Logic |
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