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HT46R0664 Datasheet(PDF) 6 Page - Holtek Semiconductor Inc |
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HT46R0664 Datasheet(HTML) 6 Page - Holtek Semiconductor Inc |
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6 / 92 page  Rev. 1.00 6 ����st 1�� �011 Rev. 1.00 7 ����st 1�� �011 HT46R0664 Enhanced A/D+LCD Type 8-Bit OTP MCU General Description The Enhanced A/D Type with LCD is a 8-bit high performance, RISC architecture microcontroller specifically designed for applications that interface directly to analog signals and which require an LCD interface. The device includes an integrated multi-channel Analog to Digital Converter, Pulse Width Modulation outputs and an LCD driver. The benefits of integrated A/D, LCD, and PWM functions, in addition to low power consumption, high performance, I/O flexibility, timer functions, oscillator options, power down and wake-up functions, watchdog timer and low voltage reset, combine to provide device with a huge range of functional options while still main taining a high level of cost effectiveness. The fully integrated system oscillator HIRC, which requires no external components and which has three frequency selections, opens up a huge range of new application possibilities for the device, some of which may include industrial control, consumer products, household appliances subsystem controllers, etc. Block Diagram Ti mi ng Ge me ra ti on 8- bi t RI SC MC U Co re RO M/ RA M Me mo ry A/ D Co nv er te r Bu zze r Ti me Ba se 0 /1 Ti me r LC D Dr iv er PW M Dr iv er I/ O Po rt s PF D Dr iv er Pin Assignment (44-QFP) 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 1 2 3 4 5 6 7 8 9 10 11 33 32 31 30 29 28 27 26 25 24 23 PE2/SEG18/INT0 PA0/INT1/PWM0 PA1/[TC0]/TC1/INT2 PA2/[TC1]/TC0/INT3 VDD VSS PA5/OSC2/AN11 PA6/OSC1/AN10 PF0/AN9 PA4/XT1 PA3/XT2 PC6/SEG6 PC5/SEG5 PC4/SEG4 PC3/SEG3 PC2/SEG2 PC1/SEG1 PC0/SEG0 PB7/COM0 PB6/COM1 PB5/COM2 PB4/COM3 Note: 1. Bracketed pin names indicate non-default pinout remapping locations. 2. If the pin-shared pin functions have multiple outputs simultaneously, its pin names at the right side of the “/” sign can be used for higher priority. |
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