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46R22 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 46R22
部品説明 HT46R22
メーカ Holtek Semiconductor
ロゴ Holtek Semiconductor ロゴ 

Total 30 pages
		

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46R22 Datasheet, 46R22 PDF,ピン配置, 機能
HT46R22/HT46C22
8-Bit A/D Type MCU
www.DataSheet4U.com
Features
· Operating voltage:
fSYS=4MHz: 2.2V~5.5V
fSYS=8MHz: 4.5V~5.5V
· 19 bidirectional I/O lines (max.)
· 1 interrupt input shared with an I/O line
· 8-bit programmable timer/event counter with over-
flow interrupt and 7-stage prescaler
· On-chip crystal and RC oscillator
· Watchdog Timer
· 2048´14 program memory ROM
· 64´8 data memory RAM
· Supports PFD for sound generation
· HALT function and wake-up feature reduce power
consumption
· Up to 0.5ms instruction cycle with 8MHz system clock
at VDD=5V
· 6-level subroutine nesting
· 8 channels 9-bit resolution (8-bit accuracy) A/D con-
verter
· 1-channel (6+2)/(7+1)-bit PWM output shared with
two I/O lines
· Bit manipulation instruction
· 14-bit table read instruction
· 63 powerful instructions
· All instructions in one or two machine cycles
· Low voltage reset function
· I2C BUS (slave mode)
· 24-pin SKDIP/SOP package
General Description
The device is an 8-bit high performance RISC-like
microcontroller designed for multiple I/O product appli-
cations. It is particularly suitable for use in products
such as washing machine controllers and home appli-
ances. A HALT feature is included to reduce power con-
sumption.
I2C is a trademark of Philips Semiconductors
Rev. 1.10
1
October 2, 2002

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