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HT85F2270 Datasheet(PDF) 201 Page - Holtek Semiconductor Inc |
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HT85F2270 Datasheet(HTML) 201 Page - Holtek Semiconductor Inc |
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201 / 226 page  Rev. 1.00 �01 of ��6 �a� 1�� �01� Standard 8051 8-Bit Flash MCU HT85F2260/HT85F2270/HT85F2280 UART0 Register Description There are several control registers associated with the UART0 function. The S0CON register controls the overall function of the UART0, while the SBRCON, SPPRE, S0RELL and S0RELH registers control the Baud rate. The actual data to be transmitted and received on the serial interface is managed through the S0BUF data register. The SMOD bit in the PCON register is used to double the baud rate clock. UART0 Register List Register Name Bit 7 6 5 4 3 2 1 0 S0CON S�0 S�1 S��0 REN0 TB80 RB80 TI0 RI0 S0RELL S0REL.7 S0REL.6 S0REL.� S0REL.4 S0REL.� S0REL.� S0REL.1 S0REL.0 S0RELH — — — — — — S0REL.9 S0REL.8 S0BUF D7 D6 D� D4 D� D� D1 D0 SPPRE — — — — S1PRE1 S1PRE0 S0PRE1 S0PRE0 SBRCON BD BD1 — — — — — — PCON S�OD — — — — GF0 PD IDL S0BUF Register – UART0 Data register SFR Address: 99h Bit 7 6 5 4 3 2 1 0 Name D7 D6 D� D4 D� D� D1 D0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 0 0 0 0 0 0 0 0 Bit 7~0 UART0 data buffer |
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