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参数资料
| 型号： | 78M6610+PSU/C00T |
| 厂商： | Maxim Integrated |
| 文件页数： | 46/63页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY MEASURMENT 1PH 16TSSOP |
| 标准包装： | 2,500 |
| 输入阻抗： | 30 千欧 ~ 90 千欧 |
| 电压 - 高输入/输出： | 2V |
| 电压 - 低输入/输出： | 0.8V |
| 电流 - 电源： | 8.1mA |
| 电源电压： | 3 V ~ 3.6 V |
| 测量仪表类型： | 单相 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
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78M6610+PSU Data Sheet
4.2
SPI Interface
The 78M6610+PSU can be configured as SPI slave. Once the SPI interface is activated, it utilizes the
following pins:
SSB:
SCK:
SDO:
SDI:
Slave select (SS) is an input and active low signal.
Serial Data Clock (SCK) input.
Master Input/Slave Output (MISO), serial data output.
Master Output/Slave Input (MOSI), serial data input.
Clock Polarity and Phase
Figure 16 shows a single-byte transaction on the SPI bus. The data is shifted on the falling edge of the
serial data clock and latched on the rising edge.
SCK
SDI (Master Output)
SDO (Master Input)
MSB
MSB
6
6
5
5
4
4
3
3
2
2
1
1
LSB
LSB
SSB (To Slave)
Figure 16: Single-Byte Transaction on the SPI Bus
SPI Protocol
The SPI allows access to read and write registers contained in a 256 word (24-bit) area of the on-chip
RAM. The address of each register specified in Section 3 must be divided by 3 for SPI access. The first
byte that the master needs to transmit to the 78M6610+PSU (slave) is the control byte. The control byte
allows setting the number of words to be transferred and the most significant bits of the register address:
Bit 7
Bit 6 Bit 5
NBRACC[3:0]
Bit 4
Bit 3
ADDR7
Bit 2
ADDR6
Bit 1
0
Bit 0
1
ADDR7 and ADDR6 bits select bit 7 and 6 of the 8-bit register address to be accessed by the following
data transactions.
NBRACC[3:0] represents the number of words (3-bytes) accesses to be performed by subsequent
read/write transactions. The actual number of data addresses accessed per data transaction is NBRACC
+ 1. For single address access, the field is set at 0. NBRACC is reset to 0 when the operation (multiple
reads or writes) is completed. NBRACC must be set to a non-zero value prior to each multiple word
transaction.
46
Rev 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 78M6611-EVM | 制造商:Maxim Integrated Products 功能描述:78M6611 EVAL BOARD - Boxed Product (Development Kits) |
| 78M6611-IVT/F | 功能描述:IC POWER MEASUREMENT AC 24-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| 78M6611-IVT/F/P | 制造商:Maxim Integrated Products 功能描述:PROGRAMMED - LEAD FREE - Rail/Tube |
| 78M6611-IVTR/F | 功能描述:IC POWER MEASUREMENT AC 24-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| 78M6611-IVTR/F/P | 制造商:Maxim Integrated Products 功能描述:PROGRAMMED - LEAD FREE/TAPE & REEL - Tape and Reel |
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