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参数资料
| 型号： | ST72311N2T3/XXX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP64 |
| 封装： | PLASTIC, TQFP-64 |
| 文件页数： | 53/92页 |
| 文件大小： | 624K |
| 代理商： | ST72311N2T3/XXX |
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ST72311
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
DATA REGISTER (DR)
Read/Write
Reset Value: Undefined
Contains the Received or Transmitted data char-
acter, depending on whether it is read from or writ-
ten to.
The Data register performs a double function (read
and write) since it is composed of two registers,
one for transmission (TDR) and one for reception
(RDR).
The TDR register provides the parallel interface
between the internal bus and the output shift reg-
ister (see Figure 33).
The RDR register provides the parallel interface
between the input shift register and the internal
bus (see Figure 33).
BAUD RATE REGISTER (BRR)
Read/Write
Reset Value: 00xx xxxx (XXh)
Bit 7:6= SCP[1:0]
First SCI Prescaler
These 2 prescaling bits allow several standard
clock division ranges:
Bit 5:3 = SCT[2:0]
SCI Transmitter rate divisor
These 3 bits, in conjunction with the SCP1 & SCP0
bits define the total division applied to the bus
clock to yield the transmit rate clock in convention-
al Baud Rate Generator mode.
Note: this TR factor is used only when the ETPR
fine tuning factor is equal to 00h; otherwise, TR is
replaced by the ETPR dividing factor.
Bit 2:0 = SCR[2:0]
SCI Receiver rate divisor.
These 3 bits, in conjunction with the SCP1 & SCP0
bits define the total division applied to the bus
clock to yield the receive rate clock in conventional
Baud Rate Generator mode.
Note: this RR factor is used only when the ERPR
fine tuning factor is equal to 00h; otherwise, RR is
replaced by the ERPR dividing factor.
70
DR7
DR6
DR5
DR4
DR3
DR2
DR1
DR0
70
SCP1
SCP0
SCT2
SCT1
SCT0
SCR2
SCR1
SCR0
PR Prescaling factor
SCP1
SCP0
10
0
30
1
41
0
13
1
TR dividi ng factor
SCT2
SCT1
SCT0
1
000
2
001
4
010
8
011
16
100
32
101
64
110
128
1
RR dividi ng factor
SCR2
SCR1
SCR0
1
000
2
001
4
010
8
011
16
100
32
101
64
110
128
1
57
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ST72311N2T6 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCU WITH 8 TO 16K ROM/OTP/EPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS |
| ST72311N2T6/XXX | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-Bit Microcontroller |
| ST72311N2T6S | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCU WITH 8 TO 16K ROM/OTP/EPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS |
| ST72311N4 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCU WITH 8 TO 16K ROM/OTP/EPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS |
| ST72311N4B1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8-BIT MCU WITH 8 TO 16K ROM/OTP/EPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS |
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