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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M32C/86 датащи(PDF) 65 Page - Renesas Technology Corp |
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M32C/86 датащи(HTML) 65 Page - Renesas Technology Corp |
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65 / 505 page  Page 42 9 7 4 f o 5 0 0 2 , 8 0 . p e S 0 0 . 1 . v e R 0 0 1 0 - 4 0 2 0 B 9 0 J E R 6. Voltage Detection Circuit ) T 6 8 / C 2 3 M , 6 8 / C 2 3 M ( p u o r G 6 8 / C 2 3 M 6. Voltage Detection Circuit The voltage detection circuit consists of the reset level detection circuit and the low voltage detection circuit. The reset level detection circuit monitors the voltage applied to the VCC pin. The microcomputer is reset if the reset level detection circuit detects VCC is Vdet3 or below. This circuit is disabled when the microcom- puter is in stop mode. The voltage detection circuit also monitors the voltage applied to the VCC pin. The low voltage detection signal is generated when the low voltage detection circuit detects VCC is above or below Vdet4. This signal generates the low voltage detection interrupt. The VC13 bit in the VCR1 register determines whether VCC is above or below Vdet4. The voltage detection circuit is available when VCC=4.2V to 5.5V. Figure 6.1 shows a block diagram of the voltage detection circuit. The voltage detection circuit in M32C/86T cannot be used. However, the cold start-up/warm start-up determine function is available. NOTE Figure 6.1 Voltage Detection Circuit Block Diagram b7 b6 VCR2 Register RESET CM10 Bit=1 (Stop Mode) + ≥Vdet3 + ≥Vdet4 E Noise Rejection Low Voltage Detection Signal b3 VCR1 Register VC13 Bit >T Q 1 shot td(S-R) Internal Reset Signal ("L" active) Wait Time to Release Brown-out Detection Reset E VCC Low Voltage Detection Circuit Reset Level Detection Circuit |
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