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ST7LITE2 Datasheet(PDF) 5 Page - STMicroelectronics |
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ST7LITE2 Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 131 page ST7LITE2 5/131 1 INTRODUCTION The ST7LITE2 is a member of the ST7 microcon- troller family. All ST7 devices are based on a com- mon industry-standard 8-bit core, featuring an en- hanced instruction set. The ST7LITE2 features FLASH memory with byte-by-byte In-Circuit Programming (ICP) and In- Application Programming (IAP) capability. Under software control, the ST7LITE2 device can be placed in WAIT, SLOW, or HALT mode, reduc- ing 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 are located in section 13 on page 91. The devices feature an on-chip Debug Module (DM) to support in-circuit debugging (ICD). For a description of the DM registers, refer to the ST7 ICC Protocol Reference Manual. Figure 1. General Block Diagram 8-BIT CORE ALU OSC1 OSC2 RESET PORT A Internal CLOCK CONTROL RAM (384 Bytes) PA7:0 (8 bits) VSS VDD POWER SUPPLY PROGRAM (8K Bytes) LVD MEMORY PLL x 8 Ext. 1MHz PLL Int. 1MHz 8-Bit LITE TIMER 2 PORT B SPI PB6:0 (7 bits) DATA EEPROM (256 Bytes) 1% RC OSC to 16MHz ADC + OpAmp 12-Bit Auto-Reload TIMER 2 CLKIN / 2 or PLL X4 8MHz -> 32MHz WATCHDOG Debug Module 1 |
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