pca9674a NXP Semiconductors, pca9674a Datasheet
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pca9674a Summary of contents
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PCA9674/74A Remote 8-bit I/O expander for Fm+ I Rev. 02 — 12 October 2006 1. General description The PCA9674/74A provide general purpose remote I/O expansion for most microcontroller families via the two-line bidirectional bus (I Fast-mode Plus (Fm+) family. The ...
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... PCA9674AN PCA9674AN PCA9674PW PCA9674 TSSOP16 PCA9674APW PA9674A PCA9674TS PCA9674 SSOP20 PCA9674ATS PCA9674A PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I Description plastic thermal enhanced very thin quad flat package; no leads; 16 terminals; body 3 3 0.85 mm plastic small outline package; 16 leads; body width 7.5 mm plastic dual in-line package ...
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... Fig 1. Block diagram of PCA9674/74A data from Shift Register data to Shift Register Fig 2. Simplified schematic diagram PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I PCA9674 PCA9674A INTERRUPT LOGIC 2 INPUT I C-BUS REGISTER FILTER CONTROL POWER-ON RESET write pulse ...
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... Transparent top view Rev. 02 — 12 October 2006 PCA9674/74A 2 C-bus with interrupt AD0 AD1 AD2 PCA9674PW PCA9674APW 002aac113 Fig 4. Pin configuration for TSSOP16 INT 1 20 SCL ...
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... SDA V DD AD0 AD1 n.c. AD2 n. n. PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I Pin description for DIP16, SO16, TSSOP16 Pin Description 1 address input 0 2 address input 1 3 address input 2 4 quasi-bidirectional I quasi-bidirectional I quasi-bidirectional I ...
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... AD2, AD1, and AD0. Address values depending on AD2, AD1, and AD0 can be found in Table 5 “PCA9674 address map” Remark: When using the PCA9674A, the General Call address (0000 0000b) and the Device ID address (1111 100Xb) are reserved and cannot be used as device address. ...
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... SDA DD V SDA PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I slave address programmable PCA9674 address map AD0 ...
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... SCL V SCL V SDA V SDA V SDA V SDA V SCL V SCL V SCL V SCL V SDA V SDA V SDA V SDA V PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I PCA9674 address map …continued AD0 SCL SDA SCL SDA ...
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... SCL SCL SCL SCL SCL SDA SCL SDA SDA SCL SDA SCL SDA SDA SDA SDA PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I PCA9674A address map AD0 ...
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... SDA V SDA V [1] The PCA9674A does not acknowledge when AD2, AD1, AD0 follows this configuration. 7.2 Software Reset Call, and device ID addresses Two other different addresses can be sent to the PCA9674/74A. • General Call address: allows to reset the PCA9674/74A through the I reception of the right I information. • ...
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... C-bus master must interpret a non-acknowledge from the PCA9674/74A (at any time ‘Software Reset Abort’. The PCA9674/74A does not initiate a reset of its registers. The unique sequence that initiates a Software Reset is described in Fig 11. Software Reset sequence PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm ...
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... PCA9674/74A rolls back to the first byte and keeps sending the Device ID sequence until a NACK has been detected. For the PCA9674/74A, the Device shown in Fig 12. PCA9674/74A ID PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm C-bus slave address of the slave device it needs to identify. ...
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... PCA9674/74A. The 8-bit data is presented on the port lines after it has been acknowledged by the PCA9674/74A. The number of data bytes that can be sent successively is not limited. The previous data is overwritten every time a data byte has been sent. PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I acknowledge from one ...
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... A LOW-to-HIGH transition of SDA while SCL is HIGH is defined as the STOP condition (P). Transfer of data can be stopped at any moment by a STOP condition. When this occurs, data present at the last acknowledge phase is valid (Output mode). Input data is lost. Fig 15. Read input port register PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm ...
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... During the resetting of the interrupt itself, any changes on the I/Os may not generate an interrupt. After the interrupt is reset any change in I/Os will be detected and transmitted as an INT. MICROCOMPUTER Fig 16. Application of multiple PCA9674s with interrupt PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm internal Power-On Reset (POR) holds the DD ...
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... System configuration A device generating a message is a ‘transmitter'; a device receiving is the ‘receiver'. The device that controls the message is the ‘master' and the devices which are controlled by the master are the ‘slaves' (see PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm ...
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... In this event, the transmitter must leave the data line HIGH to enable the master to generate a STOP condition. Fig 20. Acknowledgement on the I PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I SLAVE MASTER ...
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... Both bits must then always be turned on or off together pins (one octal) can be connected together to drive 200 mA. Fig 22. High current-drive load application PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I Figure 2 C-bus ...
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... tot P/out T stg T amb [1] Total package (maximum) output current is 400 mA. PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I Limiting values Parameter Conditions supply voltage supply current ground supply current input voltage input current output current total power dissipation ...
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... Each bit must be limited to a maximum and the total package limited to 200 mA due to internal busing limits. [3] The value is not tested, but verified on sampling basis. PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm +85 C; unless otherwise specified. ...
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... This allows series protection resistors to be connected between the SDA and the SCL pins and the SDA/SCL bus lines without exceeding the maximum specifi [6] Input filters on the SDA and SCL inputs suppress noise spikes less than 50 ns. PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm +85 C; unless otherwise specified. Conditions Standard mode ...
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... START protocol condition (S) t SU;STA SCL t BUF SDA t HD;STA Rise and fall times refer to V and Fig 23. I C-bus timing diagram PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I bit 7 bit 6 bit 0 MSB (A6) (R/W) (A7 LOW HIGH 1 /f SCL t ...
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... D max. 0.05 0.30 3 0.2 0.00 0.18 2.9 Note 1. Plastic or metal protrusions of 0.075 mm maximum per side are not included. OUTLINE VERSION IEC SOT758 Fig 24. Package outline SOT758-1 (HVQFN16) PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm 1 ...
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... Note 1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included. OUTLINE VERSION IEC SOT162-1 075E03 Fig 25. Package outline SOT162-1 (SO16) PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm ...
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... Note 1. Plastic or metal protrusions of 0.25 mm (0.01 inch) maximum per side are not included. OUTLINE VERSION IEC SOT38-1 050G09 Fig 26. Package outline SOT38-1 (DIP16) PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm ...
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... Notes 1. Plastic or metal protrusions of 0.15 mm maximum per side are not included. 2. Plastic interlead protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION IEC SOT403-1 Fig 27. Package outline SOT403-1 (TSSOP16) PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm ...
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... Note 1. Plastic or metal protrusions of 0.20 mm maximum per side are not included. OUTLINE VERSION IEC SOT266-1 Fig 28. Package outline SOT266-1 (SSOP20) PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm 2 scale (1) (1) ...
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... It is imperative that the peak temperature is high enough for the solder to make reliable solder joints (a solder paste characteristic). In addition, the peak temperature must be low enough that the PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I ...
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... MSL: Moisture Sensitivity Level Fig 29. Temperature profiles for large and small components For further information on temperature profiles, refer to Application Note AN10365 “Surface mount reflow soldering description” . PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I and 11 SnPb eutectic process (from J-STD-020C) Package refl ...
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... Suitability of IC packages for wave, reflow and dipping soldering methods [1] Mounting Package Through-hole mount CPGA, HCPGA DBS, DIP, HDIP, RDBS, SDIP, SIL [4] Through-hole-surface PMFP mount PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I Soldering method Wave suitable [3] suitable not suitable Rev. 02 — 12 October 2006 PCA9674/74A ...
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... Abbreviations Table 13. Acronym CDM CMOS ESD GPIO HBM LED C-bus PCA9674_PCA9674A_2 Product data sheet Remote 8-bit I/O expander for Fm+ I Soldering method Wave [5] , LBGA, not suitable [5] , TFBGA, not suitable suitable not recommended not recommended [10] [10] , WQCCN ...
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... Product data sheet Remote 8-bit I/O expander for Fm+ I Data sheet status Change notice Product data sheet - information”: Topside mark for PCA9674ABS changed from “9674A” to characteristics”, limits for I , supply current changed from “100 A (typ.); DD Objective data sheet - Rev. 02 — 12 October 2006 ...
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... NXP B.V. 2006. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com PCA9674/74A 2 C-bus with interrupt All rights reserved. Date of release: 12 October 2006 Document identifier: PCA9674_PCA9674A_2 ...
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... Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. © NXP B.V. 2006. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com Document identifier: PCA9674_PCA9674A_2 2 C-bus with interrupt All rights reserved. Date of release: 12 October 2006 ...