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W78C58M-40 Datasheet(PDF) 8 Page - Winbond |
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W78C58M-40 Datasheet(HTML) 8 Page - Winbond |
8 / 22 page W78C58 - 8 - W78C58 SFRs address location map: F8 FF F0 + B F7 E8 EF E0 + ACC E7 D8 +P4 DF D0 + PSW D7 C8 +T2CON RCAP2L RCAP2H TL2 TH2 CF C0 +XICON C7 B8 + IP BF B0 + P3 B7 A8 + IE AF A0 + P2 A7 98 + SCON SBUF 9F 90 + P1 97 88 + TCON TMOD TL0 TL1 TH0 TH1 AUXR 8F 80 +P0 SP DPL DPH PCON 87 Notes: 1. + SFR is bit-addressable. 2. is additional defined function. Power-off Flag ***PCON - Power Control (87H) SMOD SMOD0 - POF GF1 GF0 PD IDL SMOD: Double baud rate bit. When set to a 1, the baud rate is doubled when the serial port is being used in either modes 1, 2, 3. SMOD0: Enable FE bit in SCON. This bit is an alternative switch of SM0 and FE (Frame Error) bit. When set to a 1, SCON.7 means a FE bit, otherwise a SM0 bit. POF: Power off flag. Bit is set by hardware when power on reset. It can be cleared by software to determine chip reset is a warm boot or cold boot. GF1, GF0: These two bits are general-purpose flag bits for the user. PD: Power down mode bit. Set it to enter power down mode. IDL: Idle mode bit. Set it to enter idle mode. The power-off flag is located at PCON.4. This bit is set when VDD has been applied to the part. It can be used to determine if a reset is a warm boot or a cold boot if it is subsequently reset by software. |
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