Datasheet TC1321 (Microchip) - 10
| Manufacturer | Microchip |
| Description | 10-Bit Digital-to-Analog Converter with Two-Wire Interface |
| Pages / Page | 24 / 10 — TC1321. FIGURE 4-1: |
| File Format / Size | PDF / 536 Kb |
| Document Language | English |
TC1321. FIGURE 4-1:
Model Line for this Datasheet
Text Version of Document
TC1321
Write Timing Diagram A B C D E F G H I J K ILOW IHIGH SCL SDA t t t t t SU(START) H(START) SU-DATA SU(STOP) IDLE A = START Condition E = Slave Pulls SDA Line Low I = Acknowledge Clock Pulse B = MSB of Address Clocked into Slave F = Acknowledge Bit Clocked into Master J = STOP Condition C = LSB of Address Clocked into Slave G = MSB of Data Clocked into Master K = New START Condition D = R/W Bit Clocked into Slave H = LSB of Data Clocked into Master Read Timing Diagram A B C D E F G H I J K L M I I LOW HIGH SCL SDA t t t t t t SU(START) H(START) SU-DATA H-DATA SU(STOP) IDLE A = START Condition F = Acknowledge Bit Clocked into Master J = Acknowledge Clocked into Master B = MSB of Address Clocked into Slave G = MSB of Data Clocked into Slave K = Acknowledge Clock Pulse C = LSB of Address Clocked into Slave H = LSB of Data Clocked into Slave L = STOP Condition, Data Executed by Slave D = R/W Bit Clocked into Slave I = Slave Pulls SDA Line Low M = New START Condition E = Slave Pulls SDA Line Low
FIGURE 4-1:
SMBus/I2CTiming Diagrams. DS21387C-page 10 2010 Microchip Technology Inc. Document Outline TC1321 10-Bit Digital-to-Analog Converter with Two-Wire Interface 1.0 Electrical Characteristics 2.0 Pin Descriptions TABLE 2-1: Pin Function Table 2.1 External Voltage Reference Input (VREF) 2.2 Bi-Directional Serial Data Input and Output (SDA) 2.3 Serial Clock Input (SCL) 2.4 Supply Power Ground (VSS) 2.5 Output (VOUT) 2.6 No Connection (NC) 2.7 Output (DAC-OUT) 2.8 Positive Power Supply Input (VDD) 3.0 Detailed Description 3.1 Reference Input 3.2 Output Amplifier 3.3 Standby Mode TABLE 3-1: Standby Mode Operation 3.4 SMBus Slave Address FIGURE 3-1: SMBus/I2C Protocols. 4.0 Serial Port Operation TABLE 4-1: TC1321 Serial Bus Conventions 4.1 START Condition (START) 4.2 Address Byte 4.3 Acknowledge (ACK) 4.4 Data Byte 4.5 Stop Condition (STOP) FIGURE 4-1: SMBus/I2CTiming Diagrams. 4.6 Register Set and Programmer’s Model TABLE 4-2: TC1321 Command Set (READ_BYTE and WRITE_BYTE) TABLE 4-3: Configuration Register (CONFIG), 8-Bit, Read/Write TABLE 4-4: Data Register (DATA), 10-Bit, Read/Write 4.7 Register Set Summary TABLE 4-5: TC1321 Register Set Summary 5.0 Packaging Information 5.1 Package Marking Information Appendix A: Revision History Product Identification System Worldwide Sales and Service
Write Timing Diagram A B C D E F G H I J K ILOW IHIGH SCL SDA t t t t t SU(START) H(START) SU-DATA SU(STOP) IDLE A = START Condition E = Slave Pulls SDA Line Low I = Acknowledge Clock Pulse B = MSB of Address Clocked into Slave F = Acknowledge Bit Clocked into Master J = STOP Condition C = LSB of Address Clocked into Slave G = MSB of Data Clocked into Master K = New START Condition D = R/W Bit Clocked into Slave H = LSB of Data Clocked into Master Read Timing Diagram A B C D E F G H I J K L M I I LOW HIGH SCL SDA t t t t t t SU(START) H(START) SU-DATA H-DATA SU(STOP) IDLE A = START Condition F = Acknowledge Bit Clocked into Master J = Acknowledge Clocked into Master B = MSB of Address Clocked into Slave G = MSB of Data Clocked into Slave K = Acknowledge Clock Pulse C = LSB of Address Clocked into Slave H = LSB of Data Clocked into Slave L = STOP Condition, Data Executed by Slave D = R/W Bit Clocked into Slave I = Slave Pulls SDA Line Low M = New START Condition E = Slave Pulls SDA Line Low
FIGURE 4-1:
SMBus/I2CTiming Diagrams. DS21387C-page 10 2010 Microchip Technology Inc. Document Outline TC1321 10-Bit Digital-to-Analog Converter with Two-Wire Interface 1.0 Electrical Characteristics 2.0 Pin Descriptions TABLE 2-1: Pin Function Table 2.1 External Voltage Reference Input (VREF) 2.2 Bi-Directional Serial Data Input and Output (SDA) 2.3 Serial Clock Input (SCL) 2.4 Supply Power Ground (VSS) 2.5 Output (VOUT) 2.6 No Connection (NC) 2.7 Output (DAC-OUT) 2.8 Positive Power Supply Input (VDD) 3.0 Detailed Description 3.1 Reference Input 3.2 Output Amplifier 3.3 Standby Mode TABLE 3-1: Standby Mode Operation 3.4 SMBus Slave Address FIGURE 3-1: SMBus/I2C Protocols. 4.0 Serial Port Operation TABLE 4-1: TC1321 Serial Bus Conventions 4.1 START Condition (START) 4.2 Address Byte 4.3 Acknowledge (ACK) 4.4 Data Byte 4.5 Stop Condition (STOP) FIGURE 4-1: SMBus/I2CTiming Diagrams. 4.6 Register Set and Programmer’s Model TABLE 4-2: TC1321 Command Set (READ_BYTE and WRITE_BYTE) TABLE 4-3: Configuration Register (CONFIG), 8-Bit, Read/Write TABLE 4-4: Data Register (DATA), 10-Bit, Read/Write 4.7 Register Set Summary TABLE 4-5: TC1321 Register Set Summary 5.0 Packaging Information 5.1 Package Marking Information Appendix A: Revision History Product Identification System Worldwide Sales and Service
