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| 型号： | ADE7518ASTZF8-RL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 124/128页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER MCU 8K 64LQFP |
| 产品变化通告： | Product Discontinuance 27/Oct/2011 |
| 标准包装： | 1,500 |
| 输入阻抗： | * |
| 测量误差： | * |
| 电压 - 高输入/输出： | * |
| 电压 - 低输入/输出： | * |
| 电流 - 电源： | * |
| 电源电压： | * |
| 测量仪表类型： | * |
| 工作温度： | * |
| 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： | 带卷 (TR) |
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ADE7518
Table 144. Port 0 Alternate Functions
Pin No.
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
Alternate Function
BCTRL External Battery Control Input
INT1 External Interrupt
INT1 Wake-up from PSM2 Operating Mode
FP19 LCD Segment Pin
CF1 ADE Calibration Frequency Output
CF2 ADE Calibration Frequency Output
MOSI SPI Data Line
SDATA I 2 C Data Line
MISO SPI Data Line
SCLK Serial Clock for I 2 C or SPI
T0 Timer 0 Input
SS SPI Slave Select Input for SPI in Slave Mode
SS SPI Slave Select Output for SPI in Master Mode
T1 Timer 1 Input
Alternate Function Enable
Set INT1PRG[2:0] = x01 in the Interrupt Pins Configuration SFR (INTPR, 0xFF).
Set EX1 in the Interrupt Enable SFR (IE, 0xA8).
Set INT1PRG[2:0] = 11x in the Interrupt Pins Configuration SFR (INTPR, 0xFF).
Set FP19EN in the LCD Segment Enable 2 SFR (LCDSEGE2, 0xED).
Clear the DISCF1 bit in the ADE energy measurement internal MODE1
register (0x0B).
Clear the DISCF2 bit in the ADE energy measurement internal MODE1
register (0x0B).
Set the SCPS bit in the Configuration SFR (CFG, 0xAF) and set the SPIEN bit in
the SPI Configuration SFR 2 (SPIMOD2, 0xE9).
Clear the SCPS bit in the Configuration SFR (CFG, 0xAF) and set the I2CEN bit
in the I 2 C Mode SFR (I2CMOD, 0xE8).
Set the SCPS bit in the Configuration SFR (CFG, 0xAF) and set the SPIEN bit in
the SPI Configuration SFR 2 (SPIMOD2, 0xE9).
Set the I2CEN bit in the I 2 C Mode SFR (I2CMOD, 0xE8) or the SPIEN bit in the
SPI Configuration SFR 2 (SPIMOD2, 0xE9) to enable the I 2 C or SPI interface.
Set the C/T0 bit in the Timer/Counter 0 and Timer/Counter 1 Mode SFR (TMOD,
0x89) to enable T0 as an external event counter.
Set the SS_EN bit in the SPI Configuration SFR 1 (SPIMOD1, 0xE8).
Set the SPIMS_b bit in the SPI Configuration SFR 2 (SPIMOD2, 0xE9).
Set the C/T1 bit in the Timer/Counter 0 and Timer/Counter 1 Mode SFR (TMOD,
0x89) to enable T1 as an external event counter.
Table 145. Port 1 Alternate Functions
Pin No.
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
Alternate Function
RxD Receiver Data Input for UART
Rx Edge Wake-up from PSM2 Operating Mode
TxD Transmitter Data Output for UART
FP25 LCD Segment Pin
FP24 LCD Segment Pin
T2EX Timer 2 Control Input
FP23 LCD Segment Pin
T2 Timer 2 Input
FP22 LCD Segment Pin
FP21 LCD Segment Pin
FP20 LCD Segment Pin
Alternate Function Enable
Set the REN bit in the Serial Communications Control Register SFR (SCON, 0x98).
Set RXPROG[1:0] = 11 in the Peripheral Configuration SFR (PERIPH, 0xF4).
This pin becomes TxD as soon as data is written into SBUF.
Set FP25EN in the LCD Segment Enable SFR (LCDSEGE, 0x97).
Set FP24EN in the LCD Segment Enable SFR (LCDSEGE, 0x97).
Set EXEN2 in the Timer/Counter 2 Control SFR (T2CON, 0xC8).
Set FP23EN in the LCD Segment Enable SFR (LCDSEGE, 0x97).
Set the C/T2 bit in the Timer/Counter 2 Control SFR (T2CON, 0xC8) to enable
T2 as an external event counter.
Set FP22EN in the LCD Segment Enable SFR (LCDSEGE, 0x97).
Set FP21EN in the LCD Segment Enable SFR (LCDSEGE, 0x97).
Set FP20EN in the LCD Segment Enable SFR (LCDSEGE, 0x97).
Table 146. Port 2 Alternate Functions
Pin No.
P2.0
P2.1
P2.2
P2.3
Alternate Function
FP18 LCD Segment Pin
FP17 LCD Segment Pin
FP16 LCD Segment Pin
SDEN serial download pin sampled on reset. P2.3 is
Alternate Function Enable
Set FP18EN in the LCD Segment Enable 2 SFR (LCDSEGE2, 0xED).
Set FP17EN in the LCD Segment Enable 2 SFR (LCDSEGE2, 0xED).
Set FP16EN in the LCD Segment Enable 2 SFR (LCDSEGE2, 0xED).
Enabled by default.
an output only.
Rev. 0 | Page 124 of 128
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