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ST7LITEUS5 数据表(PDF) 58 Page - STMicroelectronics |
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ST7LITEUS5 数据表(HTML) 58 Page - STMicroelectronics |
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58 / 136 page ![]() Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) Power saving modes ST7LITEUS2, ST7LITEUS5 58/136 In AWU mode, the period that the MCU stays in Halt Mode (tAWU in Figure 26) is defined by This prescaler register can be programmed to modify the time that the MCU stays in Halt mode before waking up automatically. Note: If 00h is written to AWUPR, depending on the product, an interrupt is generated immediately after a HALT instruction, or the AWUPR remains unchanged. Table 15. Configuring the dividing factor AWUPR[7:0] Dividing factor 00h Forbidden 01h 1 ... ... FEh 254 FFh 255 t AWU 64 AWUPR × 1 f AWURC --------------------------t RCSTRT + × = Table 16. AWU register map and reset values Address (Hex.) Register label 765432 10 0049h AWUPR Reset value AWUP R7 1 AWUP R6 1 AWUP R5 1 AWUP R4 1 AWUP R3 1 AWUP R2 1 AWUP R1 1 AWUP R0 1 004Ah AWUCSR Reset value 00000 AWUF AWUM AWUE N Obsolete Product(s) - Obsolete Product(s) |
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