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| 型号： | EVAL-ADE5169EBZ-2 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 136/156页 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR AD5169 |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电度表/功率表 |
| 嵌入式： | 是 |
| 已用 IC / 零件： | ADE5169 |
| 主要属性： | 用于汇编语言和 C 代码的 IAR 工具 |
| 次要属性： | 隔离和非隔离输出选项 |
| 已供物品： | 板，软件 |
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ADE5166/ADE5169/ADE5566/ADE5569
UART2 SERIAL INTERFACE
The ADE5166/ADE5169/ADE5566/ADE5569 UART2 is an 8-bit
or 9-bit UART with variable baud rate.
Variable baud rates are defined by using an internal timer to
generate any rate between 300 bauds/sec and 115,200 bauds/sec.
The UART2 serial interface provided in the ADE5166/ADE5169/
ADE5566/ADE5569 is a full-duplex serial interface. It is also
receive buffered by storing the first received byte in a receive
buffer until the reception of the second byte is complete. The
physical interface to the UART is provided via the RxD2
(P0.7/SS/T1/RxD2) pin and the TxD2 (SDEN/P2.3/TxD2) pin,
whereas the firmware interface is through the SFRs presented in
Table 145.
UART2 SFRs
Table 145. Serial Port 2 SFRs
Bit
Data Sheet
Both the serial port receive and transmit registers are accessed
through the SBUF2 SFR (Address 0xEB). Writing to SBUF2
loads the transmit register, and reading SBUF2 accesses a
physically separate receive register.
An enhanced UART2 mode is offered by using the UART2 timer
and providing enhanced frame error, break error, and overwrite
error detection. The SBAUD2 SFR (Address 0xEE) is used to
configure the UART2 timer and to indicate the enhanced
UART2 errors.
SFR
SCON2
SBUF2
SBAUD2
Address
0xE1
0xEB
0xEE
Addressable
No
No
No
Description
Serial Communications Control 2 (see Table 146).
Serial Port 2 buffer (see Table 147).
Enhanced Serial Baud Rate Control 2 (see Table 148).
Table 146. Serial Communications Control 2 SFR (SCON2, Address 0xE1)
Bit
7
6
5
Mnemonic
N/A
EN-T8
OWE2
Default
N/A
0
0
Description
Reserved.
9-bit UART, variable baud rate enable bit. When set, the UART2 is in 9-bit mode.
Overwrite error. This bit is set when new data is received and RI2 = 1 in the SCON SFR. It indicates
that SBUF2 was not read before the next character was transferred in, causing the prior SBUF2
data to be lost. Write a 0 to this bit to clear it.
4
FE2
0
Frame error. This bit is set when the received frame does not have a valid stop bit. This bit is read
only and is updated every time a frame is received.
3
BE2
0
Break error. This bit is set whenever the receive data line (RxD2) is low for longer than a full
transmission frame, the time required for a start bit, eight data bits, a parity bit, and half a stop
bit. This bit is updated every time a frame is received.
2
REN2
0
Serial Port 2 receive enable bit. Set by user software to enable serial port reception. Cleared by
user software to disable serial port reception.
1
TI2
0
Serial Port 2 transmit interrupt flag. Set by hardware at the end of the eighth bit, TI2 must be
cleared by user software.
0
RI2
0
Serial Port 2 receive interrupt flag. Set by hardware at the end of the eighth bit, RI2 must be
cleared by user software.
Table 147. Serial Port 2 Buffer SFR (SBUF2, Address 0xEB)
Bit
[7:0]
Mnemonic
SBUF2
Default
0
Description
Serial Port 2 data buffer.
Table 148. Enhanced Serial Baud Rate Control 2 SFR (SBAUD2, Address 0xEE)
Bit
7
6
Mnemonic
TB8_2
RB8_2
Default
0
0
Description
Serial port transmit (Bit 9). The data loaded into TB8_2 is the ninth data bit transmitted in 9-bit mode.
Serial port receive (Bit 9). The ninth data bit received in 9-bit mode is latched into RB8_2. For
8-bit mode, the stop bit is latched into RB8_2.
5
SBF2
Fractional divider Boolean. When set, SBAUDF2 = 0x2B. When cleared, SBAUDF2 = 0x07.
[4:3]
SBTH2
0
Extended divider ratio for baud rate setting (see Table 149).
Rev. D | Page 136 of 156
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| EVAL-ADE5169F62EBZ | 制造商:Analog Devices 功能描述:EVALUATION BOARD FOR ADE5169 - Boxed Product (Development Kits) 制造商:Rochester Electronics LLC 功能描述: |
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| EVAL-ADE7169EBZ-2 | 功能描述:BOARD EVALUATION FOR ADE7169F16 RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:PCI Express® (PCIe) 主要目的:接口，收发器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要属性:- 次要属性:- 已供物品:板 |
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| EVAL-ADE7169F16EBZ | 制造商:Analog Devices 功能描述:Evaluation Board For ADE7169 制造商:Analog Devices 功能描述:EVAL BD FOR ADE7169 - Bulk |
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