参数资料
型号: 71M6521DE-IGT/F
厂商: Maxim Integrated
文件页数: 24/107页
文件大小: 0K
描述: IC ENERGY METER 16K FLASH 64LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 160
系列: Single Converter Technology®
测量误差: 0.4%
电源电压: 3 V ~ 3.6 V
测量仪表类型: 单相,双相
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 管件
71M6521DE/DH/FE Data Sheet
Using Timer 1
Using Internal Baud Rate Generator
UART 0
UART 1
2 smod * f CKMPU / (384 * (256-TH1))
N/A
2 smod * f CKMPU /(64 * (2 10 -S0REL))
f CKMPU /(32 * (2 10 -S1REL))
Note: S0REL and S1REL are 10-bit values derived by combining bits from the respective timer reload registers. SMOD
is the SMOD bit in the SFR PCON . TH1 is the high byte of timer 1.
Table 13: Baud Rate Generation
UART 0
UART 1
Mode 0
Mode 1
Mode 2
Mode 3
N/A
Start bit, 8 data bits, stop bit, variable baud
rate (internal baud rate generator or timer 1)
Start bit, 8 data bits, parity, stop bit, fixed
baud rate 1/32 or 1/64 of f CKMPU
Start bit, 8 data bits, parity, stop bit, variable
baud rate (internal baud rate generator or
timer 1)
Start bit, 8 data bits, parity, stop bit, variable baud
rate (internal baud rate generator)
Start bit, 8 data bits, stop bit, variable baud rate
(internal baud rate generator)
N/A
N/A
Table 14: UART Modes
Parity of serial data is available through the P flag of the accumulator. Seven-bit serial modes with parity,
such as those used by the FLAG protocol, can be simulated by setting and reading bit 7 of 8-bit output data.
Seven-bit serial modes without parity can be simulated by setting bit 7 to a constant 1. 8-bit serial modes
with parity can be simulated by setting and reading the 9 th bit, using the control bits TB80 ( S0CON .3) and
TB81 ( S1CON .3) in the S0COn and S1CON SFRs for transmit and RB81 ( S1CON .2) for receive operations.
SM20 ( S0CON .5) and SM21 ( S1CON .5) can be used as handshake signals for inter-processor communication in multi-
processor systems.
Serial Interface 0 Control Register ( S0CON ).
The function of the UART0 depends on the setting of the Serial Port Control Register S0CON .
MSB
LSB
SM0
SM1
SM20
REN0
TB80
RB80
TI0
RI0
Table 15: The S0CON Register
Serial Interface 1 Control Register ( S1CON ).
The function of the serial port depends on the setting of the Serial Port Control Register S1CON .
Page: 24 of 107
Rev 3
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