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TC72 Folha de dados(PDF) 9 Page - Microchip Technology |
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TC72 Folha de dados(HTML) 9 Page - Microchip Technology |
9 / 28 page © 2011 Microchip Technology Inc. DS21743B-page 9 TC72 3.0 PIN DESCRIPTION Pin functionalities are described in Table 3-1. 3.1 No Connection (NC) This pin is not internally connected to the die. 3.2 Serial Clock Input (SCK) The SCK pin is an Input pin. All communication and timing is relative to the signal on this pin. The clock is generated by the host controller on the SPI bus (see Section 4.3 “Serial Bus Interface”). 3.3 Chip Enable Input (CE) The CE is a Chip Enable pin. This is an active high input, therefore the device is enabled when CE is toggled to VDD. Once the device is enabled, all serial communication begins (see Section 4.3 “Serial Bus Interface”). 3.4 Ground (GND) The GND is the system Ground pin. 3.5 Serial Data Input (SDI) The SDI is a Data Input pin, used to transmit data from the host to the device (see Section 4.3 “Serial Bus Interface”). 3.6 Serial Data Output (SDO) The SDO is a Data Output pin, used to transmit data from the device to the host (see Section 4.3 “Serial Bus Interface”). 3.7 Power Supply (VDD) VDD is the Power pin. The operating voltage range, as specified in the DC electrical specification table, is applied on this pin. 3.8 Exposed Pad (EP) There is an internal electrical connection between the Exposed Thermal Pad (EP) and the GND pin; they can be connected to the same potential on the Printed Circuit Board (PCB). This provides better thermal conduction from the PCB to the die. TABLE 3-1: PIN FUNCTION TABLE TC72 Symbol Function 3x3 DFN MSOP 1 1 NC No internal connection 2 3 SCK Serial Clock input 3 2 CE Chip Enable input, the device is selected when this input is high 4 4 GND Ground 5 6 SDI Serial Data input 6 5 SDO Serial Data output 7 7 NC No internal connection 88 VDD Power supply 9 — EP Exposed pad (Ground) |
Nº de peça semelhante - TC72_11 |
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Descrição semelhante - TC72_11 |
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