文档介绍：CH452 !"#$%& ' ()*+,-./0123CH452 !"# 456 1 1789 CH452:()*;<+,=./>?******@CH452ABCDEFGHIJK,L+,8M( )*NO64MLEDIPQBCDR)7ST7UM7VMWX7YZR)[\]^_C`JKab64 .c./>?^CH452deJKfgc4hibjkNO2hibjklm3n[op(q^rsJ Ktm3nuvwGxMyz@ 27{| . ;<+, }ABG~+,fIVG~ !15mAI"G~ !80mA@ },L;<>?01I#j+,8M()*764M$Y*LEDNO64fYZ@ }J%()*cVl(qM&t'cR)()NOBCDR)()@ }BCDR)*+%,-./cBCD)I0!;<%,{1"2@ }()*c"(q3U74U73567456@ }7()*c("89ST01IJ%:;<=ST>?@ }***@AVMWXI89017,LEDNO7()*c7,VcBlC@ }64fYZR)Ide64,LEDDEcYZ;<YZF@ }>?GH01I*+1I8,()*IJKQL()*MN>?CO@ }JK%P"+,QRGSIT!UVWX+,GY=G~@ DIG7ZDIG0 SEG7ZSEG0 RST# RST DOUT DCLK LOAD DIN CH45223 4hjk ([hJ%) m3n MCU[ 8M ()* N 64, $Y* N 64f YZ 8\8]^ 64../ DIG7ZDIG0 SEG7ZSEG0 RST# RST INT# SCL ADDR SDA CH45223 2hjk ([hJ%) m3n MCU[ 8M ()* N 64, $Y* N 64f YZ 8\8]^ 64../ CH452 !"#$%& _ . ./01 }AB64../01`Ia!8\8]^./>?@ },GH@ }./ jIJK%PkGlQLQRNOkGlmnQR@ }@ }*+!k\@ . UVjk }_%23IJ%{>c4hibjkNO|}c2hibjk@ } 4hibjk6*+~,23fgICD>?0I2MHzI !CH45123@ } 4hibjk6DIN=DCLKyzhJKl"#jkGH$0Iy%&'@ } 2hibjk6*+<,CH45223rg$(ADDR&'Gl).7-*X&@ } 2hibjk6CD>?500HzI200KHzI !<hI 2C+hIy%&'@ }ABwGxMIJKKm3nuv{GlQL=kGlQLxMQR@ . "#,- }ABCDEFGHI./UVuvCDNOUjEF0`1I2345@ }*+k\x67Iy%G]:;uv@ }J%<=<=6SOP287DIP24SI&'lCH45123 !@ }|e>?***@0A1-BCDEIkE5IFTG0@ 37<= 4hibjk 2hibjk <=H) I? &'OJ <=KL MNOz SOP28 300mil 50mil qPc28'Q3 CH452S/A DIP24S 300mil 100mil R24'ST#U CH452L CH452 !"#$%& V 47&' . qPcW$&' 28'<= c&'z 24'<= c&'z &'XY ZO &'KL 23 2 VCC G[ \G[I+]G~ !120mA 9710 15 GND G[ W$j*I+]G~ !120mA 22Z15 17 24Z18 SEG7 ZSEG0 ^LQR -Qd ()*cV+,I{GlQLI ./>?QdI{GlQLIABef 1Z8 7 Z 14 DIG7 ZDIG0 QR ()*c"+,IkGlQLI ./>?QRI{GlQL 14 17 H3L2 Qd ibjk()%PIABwfGgI {Gl%4hjkIkGl%2hjk 12 16 RST QR wGxMQRI{GlQL 13 *+ RST# QR wGxMQRIkGlQL 28 *+ RSTI Qd "_xMQdI{GlQLIABef 11 *+ NC. ` jIabc0 . 4hjk&' 28'<= c&'z 24'<= c&'z &'XY ZO &'KL 25 4 LOAD Qd 4 hibjkc(qdeIABwfGg 26 5 DIN Qd 4 hibjkc(qQdIABwfGg 27 6 DCLK