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ST62E45B 데이터시트(PDF) 5 Page - STMicroelectronics |
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ST62E45B 데이터시트(HTML) 5 Page - STMicroelectronics |
5 / 72 page 5/72 ST62T45B/E45B 1 GENERAL DESCRIPTION 1.1 INTRODUCTION The ST62T45B and ST62E45B devices are low cost members of the ST62xx 8-bit HCMOS family of microcontrollers, which are targeted at low to medium complexity applications. All ST62xx de- vices are based on a building block approach: a common core is surrounded by a number of on- chip peripherals. The ST62E45B is the erasable EPROM version of the ST62T45B device, which may be used to em- ulate the ST62T45B device, as well as the respec- tive ST6245B ROM devices. Figure 1. Block Diagram TES T NMI INTERRUPT PROGRAM PC STAC K LEVEL 1 STAC K LEVEL 2 STAC K LEVEL 3 STAC K LEVEL 4 STAC K LEVEL 5 STAC K LEVEL 6 POWER SUPPLY OSCILLATOR RESET DATA ROM USER SELECTABLE DATA RAM PORT A PORT B TIMER 1 DIGITA L 8 BIT CORE TEST/VPP 8-BIT A/D CONVERTER PA5..PA7/Ain VDD VSS OSCin OSCout RESET WATC HDOG Memory PORT C SPI (SERIAL PERI PHERAL INTERFACE) 12 8 Bytes 3884 bytes DATA EEPROM 128 Bytes PB0..PB3/Ain PC0..PC7/S33..S40 S17..S32 COM1..COM4 (VPP on EPROM/OTP versions only) PB4/20mA Sink PB5/Scl/20mA Sink PB6/Sin/20mA Sink PB7/Sout/20mA Sink VLCD VLCD1/3 VLCD2/3 OSC 32kHz TIMER 2 OSC32in OSC32out LCD DRIVER VR01994 TIMER 4 |
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