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參數資料
| 型號： | 71M6531D-IMR/F |
| 廠商： | TERIDIAN SEMICONDUCTOR CORP |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC68 |
| 封裝： | LEAD FREE, QFN-68 |
| 文件頁數： | 42/120頁 |
| 文件大?。?/td> | 2477K |
| 代理商： | 71M6531D-IMR/F |
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Data Sheet 71M6531D/F-71M6532D/F
FDS 6531/6532 005
28
2005-2010 TERIDIAN Semiconductor Corporation
v1.3
Bit
Symbol
Function
S1CON[2]
RB81
In Modes A and B, it is the 9
th data bit received. In Mode B, if SM21 is 0,
RB81 is the stop bit. Must be cleared by software
S1CON[1]
TI1
Transmit interrupt flag, set by hardware after completion of a serial transfer.
Must be cleared by software.
S1CON[0]
RI1
Receive interrupt flag, set by hardware after completion of a serial reception.
Must be cleared by software.
Table 19: PCON Register Bit Description (SFR 0x87)
Bit
Symbol
Function
PCON[7]
SMOD
The SMOD bit doubles the baud rate when set
PCON[6:2]
–
Not used.
PCON[1]
STOP
Stops MPU flash access and MPU peripherals including timers and
UARTs when set until an external interrupt is received.
PCON[0]
IDLE
Stops MPU flash access when set until an internal interrupt is received.
1.4.7
Timers and Counters
The 80515 has two 16-bit timer/counter registers: Timer 0 and Timer 1. These registers can be configured
for counter or timer operations.
In timer mode, the register is incremented every 12 MPU clock cycles. In counter mode, the register is
incremented when the falling edge is observed at the corresponding input signal T0 or T1 (T0 and T1 are
the timer gating inputs derived from certain DIO pins, see Section 1.5.7 Digital I/O). Since it takes 2 machine
cycles to recognize a 1-to-0 event, the maximum input count rate is 1/2 of the clock frequency (CKMPU).
There are no restrictions on the duty cycle, however to ensure proper recognition of the 0 or 1 state, an
input should be stable for at least 1 machine cycle.
Four operating modes can be selected for Timer 0 and Timer 1, as shown in Table 20 and Table 21. The
TMOD Register, shown in Table 22, is used to select the appropriate mode. The timer/counter operation
is controlled by the TCON Register, which is shown in Table 23. Bits TR1 (TCON[6]) and TR0 (TCON[4]) in
the TCON register start their associated timers when set.
Table 20: Timers/Counters Mode Description
M1
M0
Mode
Function
0
Mode 0
13-bit Counter/Timer mode with 5 lower bits in the TL0 or TL1 register
and the remaining 8 bits in the TH0 or TH1 register (for Timer 0 and Timer
1, respectively). The 3 high order bits of TL0 and TL1 are held at zero.
0
1
Mode 1
16-bit Counter/Timer mode.
1
0
Mode 2
8-bit auto-reload Counter/Timer. The reload value is kept in TH0 or
TH1, while TL0 or TL1 is incremented every machine cycle. When TL(x)
overflows, a value from TH(x) is copied to TL(x) (where x = 0 for
counter/timer 0 or 1 for counter/timer 1.
1
Mode 3
If Timer 1 M1 and M0 bits are set to 1, Timer 1 stops.
If Timer 0 M1 and M0 bits are set to 1, Timer 0 acts as two independent
8-bit Timer/Counters.
In Mode 3, TL0 is affected by TR0 and gate control bits and sets the TF0 flag on overflow, while TH0
is affected by the TR1 bit and the TF1 flag is set on overflow.
Table 21 specifies the combinations of operation modes allowed for Timer 0 and Timer 1.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 71M6531F | 制造商:TERIDIAN 制造商全稱:TERIDIAN 功能描述:Energy Meter IC |
| 71M6531F-DB | 功能描述:開發(fā)板和工具包 - 8051 71M6531F Demo Brd RoHS:否 制造商:Silicon Labs 產品:Development Kits 工具用于評估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓: |
| 71M6531F-IM/F | 功能描述:計量片上系統(tǒng) - SoC Residential Energy Meter IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數據 RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數量:12 片上 ADC: 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6531F-IM/F3 | 功能描述:計量片上系統(tǒng) - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數據 RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數量:12 片上 ADC: 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
| 71M6531F-IM/F4 | 功能描述:計量片上系統(tǒng) - SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 處理器系列:71M6511 類型:Metering SoC 最大時鐘頻率:70 Hz 程序存儲器大小:64 KB 數據 RAM 大小:7 KB 接口類型:UART 可編程輸入/輸出端數量:12 片上 ADC: 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-64 封裝:Reel |
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