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ST72C314J4TC Datasheet(PDF) 8 Page - STMicroelectronics |
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ST72C314J4TC Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 150 page ST72334xx-Auto, ST72314xx-Auto, ST72124Jx-Auto 8/150 2 INTRODUCTION The ST72334J/N-Auto, ST72314J/N-Auto and ST72124J-Auto devices are members of the ST7 microcontroller family. They can be grouped as fol- lows: – ST72334J/N-Auto devices are designed for mid- range applications with Data EEPROM, ADC, SPI and SCI interface capabilities. – ST72314J/N-Auto devices target the same range of applications but without Data EEPROM. – ST72124J-Auto devices are for applications that do not need Data EEPROM and the ADC periph- eral. All devices are based on a common industry- standard 8-bit core, featuring an enhanced instruc- tion set. The ST72C334J/N-Auto, ST72C314J/N-Auto and ST72C124J-Auto versions feature single-voltage Flash memory with byte-by-byte In-Situ Program- ming (ISP) capability. Under software control, all devices can be placed in Wait, Slow, Active Halt or Halt mode, reducing power consumption when the application is in idle or standby state. The enhanced instruction set and addressing modes of the ST7 offer both power and flexibility to software developers, enabling the design of highly efficient and compact application code. In addition to standard 8-bit data management, all ST7 micro- controllers feature true bit manipulation, 8x8 un- signed multiplication and indirect addressing modes. For easy reference, all parametric data is located in Section 15 on page 108. Figure 1. General Block Diagram 8-bit CORE ALU OSC1 ISPSEL CONTROL PROGRAM (8 or 16 Kbytes) VSS RESET PORT F PF7,6,4,2:0 (6-bit) TIMER A BEEP PORT A RAM (384 or 512 bytes) PORT C 8-bit ADC VDDA VSSA PORT B PB7:0 PORT E PE7:0 SCI TIMER B PA7:0 PORT D PD7:0 SPI PC7:0 (8-bit) VDD EEPROM (256 bytes) WATCHDOG MULTI-OSC LVD OSC2 MEMORY MCC/RTC + CLOCK FILTER (8-bit for N versions) (5-bit for J versions) (8-bit for N versions) (5-bit for J versions) (6-bit for N versions) (2-bit for J versions) (8-bit for N versions) (6-bit for J versions) |
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