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ST7787 Datasheet(PDF) 181 Page - Sitronix Technology Co., Ltd. |
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ST7787 Datasheet(HTML) 181 Page - Sitronix Technology Co., Ltd. |
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181 / 217 page  ST7787 Ver. 1.7 2008.04.18 181 10.2.12 PWCTR3 (C2h): Power Control 3 (in Normal mode/ Full colors) C2H PWCTR3 (Power Control 3) Inst / Para D/CX WRX RDX D17-8 D7 D6 D5 D4 D3 D2 D1 D0 (Code) PWCTR3 0 ↑ 1 - 1 1 0 0 0 0 1 0 (C2h) 1 st Parameter 1 ↑ 1 - 0 0 0 0 0 APA2 APA1 APA0 2 nd Parameter 1 ↑ 1 - STEP1A _SEL3 STEP1A _SEL2 STEP1A _SEL1 STEP1A _SEL0 0 STEP2A _SEL2 STEP2A _SEL1 STEP2A _SEL0 3 rd Parameter 1 ↑ 1 - 1 LDO5 _SEL2 LDO5 _SEL1 LDO5 _SEL0 --- STEP4A _SEL2 STEP4A _SEL1 STEP4A _SEL0 4 th Parameter 1 ↑ 1 - - STEP1AP _SEL2 STEP1AP _SEL1 STEP1AP _SEL0 --- STEP2PA _SEL2 STEP2PA _SEL1 STEP2PA _SEL0 5 th Parameter 1 ↑ 1 - - - - - STEP4PA _SEL2 STEP4PA _SEL1 STEP4PA _SEL0 NOTE: “-“ Don’t care Description -Set the amount of current in Operational amplifier in normal mode/full colors. -Adjust the amount of fixed current from the fixed current source in the operational amplifier for the source driver. APA[2:0] Amount of Current in Operational Amplifier 000 0 Operation of the operational amplifier stops 001 1 Small 010 2 Medium Low 011 3 Medium 100 4 Medium High 101 5 Large 110 6 Reserved 111 7 Reserved -Set the Booster circuit Step-up cycle in Normal mode/ full colors. Step1A_SEL[3:0] Step-up cycle in Booster circuit 1 0000 0 OSC/2048 0001 1 OSC/1024 0010 2 OSC/512 0011 3 OSC/128 0100 4 OSC/64 0101 5 OSC/16 0110 6 OSC/8 0111 7 OSC/4 1000 8 OSC/2048 1001 9 OSC/1024 1010 10 OSC/512 1011 11 OSC/128 1100 12 OSC/64 1101 13 OSC/16 1110 14 OSC/8 1111 15 OSC/4 Unit:KHz Note:While Step1A_SEL3 setting to ‘0”, the charge pump circuit is selected to “Single mode”. On the contray to “Dual mode”. Step2A_SEL[2:0] Step-up cycle in Booster circuit 2 Step4A_SEL[2:0] Step-up cycle in Booster circuit 4 000 0 OSC/2048 000 0 OSC/2048 001 1 OSC/1024 001 1 OSC/1024 010 2 OSC/512 010 2 OSC/512 011 3 OSC/128 011 3 OSC/128 100 4 OSC/64 100 4 OSC/64 101 5 OSC/16 101 5 OSC/16 110 6 OSC/8 110 6 OSC/8 111 7 OSC/4 111 7 OSC/4 Unit:KHz LDO5 [2:0] C1S(V) 000 0 4.5 001 1 4.6 010 2 4.7 011 3 4.8 100 4 4.9 101 5 5.0 110 6 5.1 111 7 X Unit(V) |
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