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BD34602FS-E2 データシート(PDF) 7 Page - Rohm |
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BD34602FS-E2 データシート(HTML) 7 Page - Rohm |
7 / 33 page 7/29 Datasheet Datasheet BD34602FS-M TSZ02201-0C2C0E100310-1-2 © 2015 ROHM Co., Ltd. All rights reserved. 22.Oct.2015 Rev.001 www.rohm.com TSZ22111・15・001 tBUF :4us tHD;STA :2us tHD;DAT :1us tLOW :3us tHIGH :1us tSU;DAT :1us tSU;STO :2us SCL clock frequency:250kHz SCL SDA CONTROL SIGNAL SPECIFICATION (1) Electrical specifications and timing for bus lines and I/O stages Figure 12. Definition of timing on the I 2C-BUS Table 1 Characteristics of the SDA and SCL bus lines for I 2C-BUS devices Item Symbol Fast-mode I 2C-BUS) Unit Min Max 1 SCL clock frequency fSCL 0 400 kHz 2 Bus free time between a STOP and START condition tBUF 1.3 - μs 3 Hold time (repeated) START condition. After this period, the first clock pulse is generated tHD;STA 0.6 - μs 4 LOW period of the SCL clock tLOW 1.3 - μs 5 HIGH period of the SCL clock tHIGH 0.6 - μs 6 Set-up time for a repeated START condition tSU;STA 0.6 - μs 7 Data hold time tHD;DAT 0 - μs 8 Data set-up time tSU;DAT 100 - ns 9 Set-up time for STOP condition tSU;STO 0.6 - μs All values referred to VIH min. and VIL max. Levels (see Table 2). Table 2 Input/Output Characteristics of the SDA and SCL terminal for I 2C-BUS devices Item Symbol Fast-mode I 2C-BUS) Unit Min Max 10 LOW level input voltage VIL -0.5 1 V 11 HIGH level input voltage VIH 2.3 - V 12 Pulse width of spikes which must be suppressed by the input filter. tSP 0 50 ns 13 LOW level output voltage : At 3mA sink current VOL1 0 0.4 V 14 Input current each I/O pin with an input voltage between 0.4V and 4.5 VDDmax. Ii -10 10 μA Table 3 Input Characteristics of the CS terminal (Slave Address can be changed by the setting of CS terminal) Item Symbol Min Max Unit 1 CS = Low:Slave Address 80 hex VCSL -0.5 1 V 2 CS = High:Slave Address 84 hex VCSH 2.3 VCC V STOP condition START condition Repetition START condition STOP condition SDA S SCL tLOW tHD;DAT P tHD;STA tHIGH t BUF tSU;DAT tSU;STA tSU;STO tSP tHD;STA Sr P 0.3V DD =1V 0.7VDD =2.3V Figure 13. A command timing example in the I 2C-BUS data transmission |
同様の部品番号 - BD34602FS-E2 |
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同様の説明 - BD34602FS-E2 |
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