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HT46R24 Dataheets PDF



Part Number HT46R24
Manufacturers Holtek Semiconductor
Logo Holtek Semiconductor
Description A/D Type 8-Bit MCU
Datasheet HT46R24 DatasheetHT46R24 Datasheet (PDF)

www.DataSheet4U.com HT46R24/HT46C24 A/D Type 8-Bit MCU Features · Operating voltage: · Up to 0.5ms instruction cycle with 8MHz system clock fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · 40 bidirectional I/O lines (max.) · 1 interrupt input shared with an I/O line · Two 16-bit programmable timer/event counter with at VDD=5V · 16-level subroutine nesting · 8 channels 10-bit resolution A/D converter · 4-channel 8-bit PWM output shared with four I/O lines · Bit manipulation instruction · 16-bit ta.

  HT46R24   HT46R24


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www.DataSheet4U.com HT46R24/HT46C24 A/D Type 8-Bit MCU Features · Operating voltage: · Up to 0.5ms instruction cycle with 8MHz system clock fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · 40 bidirectional I/O lines (max.) · 1 interrupt input shared with an I/O line · Two 16-bit programmable timer/event counter with at VDD=5V · 16-level subroutine nesting · 8 channels 10-bit resolution A/D converter · 4-channel 8-bit PWM output shared with four I/O lines · Bit manipulation instruction · 16-bit table read instruction · 63 powerful instructions · All instructions in one or two machine cycles · Low voltage reset function · I2C Bus (slave mode) · 28-pin SKDIP/SOP, 48-pin SSOP package overflow interrupt · On-chip crystal and RC oscillator · Watchdog Timer · 8192´16 program memory · 384´8 data memory RAM · Supports PFD for sound generation · HALT function and wake-up feature reduce power consumption General Description The HT46R24/HT46C24 are 8-bit, high performance, RISC architecture microcontroller devices specifically designed for A/D applications that interface directly to analog signals, such as those from sensors. The mask version HT46C24 is fully pin and functionally compatible with the OTP version HT46R24 device. The advantages of low power consumption, I/O flexibility, programmable frequency divider, timer functions, oscillator options, multi-channel A/D Converter, Pulse Width Modulation function, I2C interface, HALT and wake-up functions, enhance the versatility of these devices to suit a wide range of A/D application possibilities such as sensor signal processing, motor driving, industrial control, consumer products, subsystem controllers, etc. I2C is a trademark of Philips Semiconductors. Rev. 1.50 1 May 3, 2004 HT46R24/HT46C24 Block Diagram In te rru p t C ir c u it S T A C K P ro g ra m E P R O M P ro g ra m C o u n te r IN T C T M R 0 C T M R 0 P F D 0 T M R 1 C T M R 1 P F D 1 M U X M U X P r e s c a le r T M R 0 T M R 1 fS Y S fS Y S /4 B P In s tr u c tio n R e g is te r M P M U X W D T D A T A M e m o ry M U fS X Y S /4 W D T O S C P F 0 ~ P F 7 P F C P F P o rt F In s tr u c tio n D e c o d e r A L U T im in g G e n e ra to r M U X P A 5 P W P D C M P o rt D S T A T U S P D P D 0 /P W M 0 ~ P D 3 /P W P D 4 ~ P D 7 M 3 S h ifte r P C C P C P o rt C P C 0 ~ P C 7 8 -C h a n n e l A /D C o n v e rte r O S C 2 O S R E V D V S S S D C 1 A C C H A L T L V R E N /D IS P B C P B P A C P A I C B u s S la v e M o d e 2 P o rt B P B 0 /A N 0 ~ P B 7 /A N 7 P A P A P A P A P A P A 0 ~ 3 / 4 5 / 6 / 7 / P A 2 P F D IN T S D A S C L P o rt A Pin Assignment P B 5 /A N 5 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 P B 4 /A N 4 P A 3 /P F D P A 2 P A 1 P A 0 P B 3 /A N 3 P B 2 /A N 2 P B 1 /A N 1 P B 0 /A N 0 P B 5 /A N 5 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 P B 4 /A N 4 P A 3 /P F D P A 2 P A 1 P A 0 P B 3 /A N 3 P B 2 /A N 2 P B 1 /A N 1 P B 0 /A N 0 V S S P C 0 P C 1 P C 2 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7 1 6 1 5 P B 6 /A N 6 P B 7 /A N 7 P A 4 P A 5 /IN T P A 6 /S D A P A 7 /S C L O S C 2 O S C 1 V D D R E S P D 1 /P W M 1 /T M R 1 P D 0 /P W M 0 P C 4 P C 3 N C P F 3 P F 2 P F 1 P D 7 P D 6 P D 5 P D 4 V S S P F 0 T M R 0 P C 0 P C 1 P C 2 4 8 4 7 4 6 4 5 4 4 4 3 4 2 4 1 4 0 3 9 3 8 3 7 3 6 3 5 3 4 3 3 3 2 3 1 3 0 2 9 2 8 2 7 2 6 2 5 P B 6 /A N 6 P B 7 /A N 7 P A 4 P A 5 /IN T P A 6 /S D A P A 7 /S C L P F 4 P F 5 P F 6 P F 7 O S C 2 O S C 1 V D D R E S T M R 1 P D 3 /P W M 3 P D 2 /P W M 2 P D 1 /P W M 1 P D 0 /P W M 0 P C 7 P C 6 P C 5 P C 4 P C 3 H T 4 6 R 2 4 /H T 4 6 C 2 4 2 8 S K D IP -A /S O P -A H T 4 6 R 2 4 /H T 4 6 C 2 4 4 8 S S O P -A Rev. 1.50 2 May 3, 2004 HT46R24/HT46C24 Pad Assignment HT46C24 P A 6 /S D A P A 3 /P F D P B 4 /A N 4 P B 5 /A N 5 P B 6 /A N 6 P B 7 /A N 7 P A 7 /S C L P A 5 /IN T P A 4 P A 0 5 4 P A 1 5 3 P A 2 5 2 P F 4 5 1 5 0 4 9 4 8 4 7 4 6 4 5 4 4 4 3 4 2 4 1 4 0 3 9 3 8 P F 5 P F 6 P F 7 O S C 2 P B 3 /A N 3 1 2 3 4 P B 2 /A N 2 P B 1 /A N 1 P B 0 /A N 0 (0 ,0 ) 3 7 5 6 7 3 4 9 3 3 3 2 3 1 3 0 1 4 G N D 1 5 P F 0 1 6 T M R 0 1 7 P C 0 1 8 P C 1 1 9 P C 2 2 0 P C 3 2 1 P C 4 2 2 P C 5 2 3 P C 6 2 4 P C 7 2 5 P D 0 /P W M 0 2 6 P D 1 /P W M 1 2 7 T E S T 1 2 8 T E S T 2 2 9 T E S T 3 O S C 1 V C C 3 5 V C C V C C R E S T M R 1 P D 3 /P W M 3 P D 2 /P W M 2 P F 3 P F 2 P F 1 P D 7 8 P D 6 P D 5 P D 4 G N D G N D 3 6 1 0 1 1 1 2 1 3 * The IC substrate should be connected to VSS in the PCB layout artwork. Pin Description Pin Name PA0~PA2 PA3/PFD PA4 PA5/INT PA6/SDA PA7/SCL PB0/AN0 PB1/AN1 PB2/AN2 PB3/AN3 PB4/AN4 PB5/AN5 PB6/AN6 PB7/AN7 I/O Options Pull-high Wake-up PA3 or PFD I/O or Serial Bus Description Bidirectional 8-bit input/output port. Each bit can be configured as wake-up input by option (bit option). Software instructions determine the CMOS output or Schmitt trigger input with or without pull-high resistor (determined by pull-high options: bit opt.


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