Datasheet TC1320 (Microchip) - 8

TC1320 FIGURE 4-1: TIMING DIAGRAMS
SMBus Write Timing Diagram A B C D E F G H I J K ILOW IHIGH SCL SDA tSU(START) tH(START) tSU-DATA tSU(STOP) tIDLE 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 SMBUS Read Timing Diagram A B C D E F G H I J K L M ILOW IHIGH SCL SDA tSU(START) tH(START) tSU-DATA tH-DATA tSU(STOP) tIDLE 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
4.6 Register Set and Programmer’s TABLE 4-3: CONFIGURATION REGISTER Model (CONFIG), 8-BIT, READ/WRITE Configuration Register (CONFIG) TABLE 4-2: TC1320 COMMAND SET (SMBus READ_BYTE AND D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0] WRITE_BYTE)
Reserved SHDN
Bit POR Function Type Operation Command Byte Description
D[0] 0 Standby Switch Read/ 1 = Standby
Command Code Function
Write 0 = Normal RWD 00h Read/Write Data (DATA) D[7]-D[1] 0 Reserved; N/A N/A Always returns RWCR 01h Read/Write Configuration Zero when Read (CONFIG) DS21386C-page 8  2002-2012 Microchip Technology Inc.