BU9798GUW-E2 Rohm Semiconductor, BU9798GUW-E2 Datasheet
BU9798GUW-E2
Specifications of BU9798GUW-E2
Available stocks
Related parts for BU9798GUW-E2
BU9798GUW-E2 Summary of contents
Page 1
... LCD Segment Driver series Multifunction Segment Drivers BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV ●Description New released Multi-function type segment drivers support GPO function, LED driving function, static-driving mode, and Blink function that can blink each segment individually. ROHM Multi-function segment driver series contribute to reduction in cost of system and easy software development. ...
Page 2
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV ●Features (BU97500KV) 1) LCD drive output: Common output : 4, Segment output : 51 2) Integrated Display data RAM (DDRAM) RAM: 51*4 =204 bit 3) 3-wire Serial interface (SD, SCL, CSB ) 4) Integrated Oscillator circuit 5) Integrated Power supply circuit for LCD driving: Support 1/2 and 1/3 Bias Support 1/3 and 1/4 Duty ...
Page 3
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV ●Absolute maximum ratings (VSS = 0V) Parameter BU97930MUV Power Supply Voltage1 (VDD) Power Supply Voltage 2 (VLCD) Allowable Loss (Pd) Input Voltage Range (VIN) Operational Temperature Range (Topr) Storage Temperature Range (Tstg) Output Current (Iout1) Output Current (Iout2) Output Current (Iout3) Output Current (Iout4) *1 When use more than Ta=25° ...
Page 4
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV ●Electrical Characteristics <BU97930MUV> DC characteristics (Ta=- °C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0) Parameter “H” level input voltage “L” level input voltage Hysteresis width “H” level input current “L” level input current (*2) “H” level output voltage (*2) “L” level output voltage ...
Page 5
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Oscillation Frequency Characteristics (Ta=- °C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0) Parameter Frame frequency 1 Frame frequency 2 Frame frequency 3 MPU interface Characteristics (Ta=- °C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0) Parameter Input rise time Input fall time SCL cycle time “H” SCL pulse width “ ...
Page 6
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU97931FV> DC characteristics (Ta=- °C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0) Parameter “H” level input voltage “L” level input voltage Hysteresis width “H” level input current “L” level input current (*2) “H” level output voltage (*2) “L” level output voltage ...
Page 7
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Oscillation Frequency Characteristics (Ta=-40 ~ 85°C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0) Parameter Frame frequency 1 Frame frequency 2 Frame frequency 3 MPU interface Characteristics (Ta=-40 ~ 85°C, VDD=1.8V ~ 3.6V, VLCD=2.7V ~ 5.5V, VSS=0) Parameter Input rise time Input fall time SCL cycle time “H” SCL pulse width “ ...
Page 8
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU9798KV/GUW> DC characteristics (Ta=-30 ~ 75°C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0) Parameter “H” level input voltage “L” level input voltage Hysteresis width “H” level input current “L” level input current (*1, *3) “H” level output voltage (*3) “L” level output voltage ...
Page 9
... Integrated Regulator Characteristics (Ta=-30 ~ 75°C, VDD=1.8V ~ 3.6V, VLCD=3.3V ~ 5.5V, VSS=0) (BU9798KV) Parameter Output voltage 1 Output voltage 2 (**) Load regulation delta Vreg (BU9798GUW) Parameter Output voltage 1 Output voltage 2 (**) Load regulation delta Vreg * In case integrated regulator using, please satisfy condition that Vreg output lower than VLCD – 0.5V. ...
Page 10
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU97500KV> DC Characteristics (Unless otherwise indicated, VDD=2.7 ~ 5.5V, VLCD=4.5 ~ 5.5V, VSS=0V, Ta=-40 ~ 85°C) Parameters “H” Input Voltage “L” Input Voltage “H” Input Current “L” Input Current “H” Level Output Voltage “L” Level Output Voltage LCD Bias Voltage ...
Page 11
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV Oscillation Characteristics (Ta=-40 ~ 85°C, VDD=2.7 ~ 5.5V, VLCD=4.5 ~ 5.5V , VSS=0V) Parameters Frame Frequency MPU interface Characteristics (Ta=-40 ~ 85°C, VDD=2.7V ~ 5.5V, VLCD=4.5 ~ 5.5V , VSS=0V) Parameters Input Rise Time Input Fall Time SCL Cycle Time “H” SCL Pulse Width “L” SCL Pulse Width ...
Page 12
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV ●Block diagrams / Pin arrangement / Terminal description <BU97930MUV> ●Block diagrams COM0……COM3 VLCD LCD voltage Generator LCD BIAS SELECTOR common counter VSS INHb clock CR Oscillator divider (typ=40.96kHz) (Div.2) Power On Reset CLKIN OSC block VDD VSS Fig.5 Block Diagram (BU97930MUV) ●Terminal description ...
Page 13
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU97931FV> ●Block diagrams COM0……COM3 SEG0…..22, SEG23…27 VLCD LCD voltage Generator LCD BIAS SELECTOR common counter VSS CLKIN OSCILLATOR P ower On Reset VDD VSS Fig.7 Block Diagram (BU97931FV) ●Terminal description Terminal Terminal I/O number CSB 26 SCL VDD 29 CLKIN ...
Page 14
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU9798KV> ●Block diagrams VSS2 VLCD LCD voltage Generator Ref Voltage Circuit Vreg LCD BIAS SELECTOR common counter VSS INHb CLKIN OSCILLATOR Power On Reset VDD VSS TEST1 Fig.9 Block Diagram (BU9798KV) ●Terminal description Terminal Terminal number CSB 1 SCL VDD 4 CLKIN 64 TEST1 ...
Page 15
... SEG C VSS1 SDA SCL CLK SEG SEG SEG SEG B (NC) VSS2 PWM SEG SEG SEG SEG SEG A CSB OUT Fig.12 Pin Arrangement (BU9798GUW) Function 2010.04 - Rev SEG SEG G19 21 SEG 23 25 SEG 24 27 SEG 28 30 SEG 33 32 SEG 35 34 SEG 37 36 ...
Page 16
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU97500KV> ●Block diagrams LCD VOLTAGE GENERATOR VLCD COMMON + - DRIVER + - CLOCK OSC GENERATOR TEST 3SPI SD INTERFACE SCL CSB VDD P.O.R RESET FILTER Fig.13 Block Diagram (BU97500KV) ●Terminal description Terminal Terminal No. CSB 59 SCL VDD 63 OSC 56 VSS 64 VLCD 62 COM1 ~ 3 41-43 COM4/S41 44 S1/P1 ~ S4/P4 ...
Page 17
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV ●I/O equivalent circuit <BUI97930MUV> VLCD VSS VDD CSB, SD, SCL,INHb VSS VLCD SEG0-22 COM0-3 VSS LED VSS www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. VDD VSS VDD CLKIN VSS VLCD SEG23-26 VSS Fig.15 I/O equivalent circuit 17/23 Technical Note 2010.04 - Rev.A ...
Page 18
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU97931FV> VLCD VSS VDD CSB, SD, SCL VSS VLCD SEG0-22 COM0-3 VSS LED VSS www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. VDD VSS VDD CLKIN VSS VLCD SEG23-27 VSS Fig.16 I/O equivalent circuit 18/23 Technical Note 2010.04 - Rev.A ...
Page 19
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU9798KV> VLCD VSS1 VDD TEST1 VSS VDD PWMOUT VSS1 VLCD SEG0-14 COM0-3 VSS1 VLCD SEG46-48 VSS2 VSS1 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. VDD VSS1 VDD CSB, SD, SCL, INHb VSS1 VDD CLKIN VSS1 VLCD SEG15-45 VSS1 Fig.17 I/O equivalent circuit ...
Page 20
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU9798GUW> VLCD VSS1 VDD PWMOUT VSS1 VLCD SEG0-14 COM0-3 VSS1 VLCD SEG46-48 VSS2 VSS1 www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. VDD VSS1 VDD CSB, SD, SCL, INHb VSS1 VDD CLKIN VSS1 VLCD SEG15-45 VSS1 Fig.18 I/O equivalent circuit 20/23 Technical Note 2010 ...
Page 21
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV <BU97500KV> CSB、SD、SCL SEG / COM www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. VDD VSS VDD VSS VDD OSC VSS VLCD VSS VLCD VSS Fig.19 I/O equivalent circuit 21/23 Technical Note 2010.04 - Rev.A ...
Page 22
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV ●Ordering part number Part No. Part No. BU97930 BU97931 BU9798 BU97500 VQFN040V6060 6.0±0.1 1PIN MARK S 0.08 S 3.7±0.1 C0 0.75 +0.05 0.25 0.5 -0.04 SSOP-B40 13.6 ± 0.2 (MAX 13.95 include BURR 0.1 S 0.65 0.22 ± 0.1 0.08 M VQFP64 12.0±0.2 10.0±0.1 ...
Page 23
... BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV VBGA063W050 1PIN MARK 5.0±0.1 0.08 S P=0.5×7 0.75±0.1 0.5 63- φ 0.295±0.05 A φ 0. www.rohm.com © 2010 ROHM Co., Ltd. All rights reserved. <Tape and Reel information> Tape Embossed carrier tape (with dry pack) Quantity 2500pcs E2 Direction The direction is the 1pin of product is at the upper left when you hold ...
Page 24
No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...