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HT48R502 Dataheets PDF



Part Number HT48R502
Manufacturers Holtek Semiconductor
Logo Holtek Semiconductor
Description I/O Type 8-Bit OTP MCU
Datasheet HT48R502 DatasheetHT48R502 Datasheet (PDF)

www.DataSheet4U.com HT48R502 I/O Type 8-Bit OTP MCU Technical Document · Tools Information · FAQs · Application Note - HA0003E Communicating between the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM HA0004E HT48 & HT46 MCU UART Software Implementation Method HA0013E HT48 & HT46 LCM Interface Design HA0021E Using the I/O Ports on the HT48 MCU Series HA0055E 2^12 Decoder (8+4 - Corresponds to HT12E) Features · Operating voltage: · 224´8 data memory RAM · Buzzer driving pair and PFD supported .

  HT48R502   HT48R502


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www.DataSheet4U.com HT48R502 I/O Type 8-Bit OTP MCU Technical Document · Tools Information · FAQs · Application Note - HA0003E Communicating between the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM HA0004E HT48 & HT46 MCU UART Software Implementation Method HA0013E HT48 & HT46 LCM Interface Design HA0021E Using the I/O Ports on the HT48 MCU Series HA0055E 2^12 Decoder (8+4 - Corresponds to HT12E) Features · Operating voltage: · 224´8 data memory RAM · Buzzer driving pair and PFD supported · HALT function and wake-up feature reduce power fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · Low voltage reset function · 56 bidirectional I/O lines (max.) · 1 interrupt input · 2´16-bit programmable timer/event counter and consumption · 16-level subroutine nesting · Up to 0.5ms instruction cycle with 8MHz system clock at VDD=5V · Bit manipulation instruction · 15-bit table read instruction · 63 powerful instructions · All instructions in one or two machine cycles · 48-pin SSOP, 64-pin QFP package overflow interrupts · On-chip RC oscillator, external crystal and RC oscil- lator · 32768Hz crystal oscillator for timing purposes only · Watchdog Timer · 4096´15 program memory ROM General Description The HT48R502 is an 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, HALT and wake-up functions, Watchdog Timer, buzzer driver, as well as low cost, enhance the versatility of these devices to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc. Rev. 1.00 1 September 27, 2006 www.DataSheet4U.com HT48R502 Block Diagram T M R 1 C IN T T M R 1 L T M R 1 H M U X M U X fS T M R 1 Y S /4 In te rru p t C ir c u it S T A C K P ro g ra m 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 L T M R 0 H M U X E N /D IS M U X fS Y S /4 T M R 0 In s tr u c tio n R e g is te r W D T S M P M U X D A T A M e m o ry W D T P r e s c a le r W D T M U X fS Y S /4 R T C O S C P A C P A 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 S h ifte r M U X P O R T A B Z /B Z P O R T B W D T O S C P A 0 ~ P A 7 P B C P B S T A T U S P B 0 ~ P B 7 P C C P C P D C P O R T C P C 0 ~ P C 7 P O R T D O S C 2 O S R V V C 1 E S D D S S A C C In te rn a l R C O S C P D P E C P E P F C P F P G C P G P O R T G P O R T F P O R T E P D 0 ~ P D 7 P E 0 ~ P E 7 P F 0 ~ P F 7 P G 0 ~ P G 7 Rev. 1.00 2 September 27, 2006 www.DataSheet4U.com HT48R502 Pin Assignment P B 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 P A 3 P A 2 P A 1 P A 0 P B 3 P B 2 P B 1 /B Z P B 0 /B Z P E 3 P E 2 P E 1 P E 0 P D 7 P D 6 P D 5 P D 4 V S S IN T 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 P B 7 P A 4 P A 5 P A 6 P A 7 P F 0 P F 1 P F 2 P F 3 O S C 2 O S C 1 V D D R E S T M R 1 P D 3 P D 2 P D 1 P D 0 P C 7 P C 6 P C 5 P C 4 P C 3 P A 1 P A 0 P E 7 P E 6 P E 5 P E 4 P B 3 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 IN T T M R 0 P G 0 P G 1 P G 2 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 P G 3 P C 0 P C 1 P C 2 P C 3 P C 4 P C 5 P B 2 P B 1 /B Z P B 0 /B Z P E 3 P E 2 P E 1 P E 0 P D 7 P D 6 P D 5 P D 4 V S S 6 5 4 3 2 1 P G 6 P G 7 P G 4 P G 5 P A 2 P A 3 P B 4 P B 5 P B 6 P B 7 P A 4 P A 5 P A 6 6 4 6 3 6 2 6 1 6 0 5 9 5 8 5 7 5 6 5 5 5 4 5 3 5 2 5 1 5 0 4 9 4 8 4 7 4 6 4 5 4 4 P A 7 P F 0 P F 1 P F 2 P F 3 O S C 2 O S C 1 P F 4 P F 5 P F 6 P F 7 V D D R E S T M R 1 P D 3 P D 2 P D 1 P D 0 P C 7 H T 4 8 R 5 0 2 6 4 Q F P -A 4 3 4 2 4 1 4 0 3 9 3 8 3 7 3 6 3 5 3 4 3 3 P C 6 H T 4 8 R 5 0 2 4 8 S S O P -A Pin Description Pin Name I/O Options Wake-up Pull-high* CMOS or Schmitt Input Description Bidirectional 8-bit input/output ports Each bit can be configured as a wake-up input by options. Software instructions determine the CMOS output or Schmitt trigger or CMOS input with or without pull high resistor (by options). Bidirectional 8-bit input/output ports Software instructions determine the CMOS output or Schmitt trigger input (pull-high depends on options). The PB0 and PB1 are pin-shared with the BZ and BZ, respectively. Once the PB0 and PB1 are selected as buzzer driving outputs, the output signals come from an internal PFD generator (shared with Timer/Event Counter 0). Negative power supply, ground External interrupt Schmitt trigger without pull high resistor Edge trigger is activated during high to low transition. Schmitt trigger input for Timer/Event Counter 0 Schmitt trigger input for Timer/Event Counter 1 Bidirectional 8-bit input/output ports Software instructions determine the CMOS output or Schmitt trigger input (pull-high depends on options). Schmitt trigger reset input. Active low Positive power supply PA0~PA7 I/O PB0/B.


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