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Z8F021ASH020SC 数据表(PDF) 55 Page - Zilog, Inc. |
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Z8F021ASH020SC 数据表(HTML) 55 Page - Zilog, Inc. |
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55 / 276 page ![]() PS022815-0206 General-Purpose I/O Z8 Encore! XP® 4K Series Product Specification 36 Table 15. Port Alternate Function Mapping (Non 8-Pin Parts) Port Pin Mnemonic Alternate Function Description Alternate Function Set Register AFS1 Port A PA0 T0IN/T0OUT* Timer 0 Input/Timer 0 Output Complement N/A Reserved PA1 T0OUT Timer 0 Output Reserved PA2 DE0 UART 0 Driver Enable Reserved PA3 CTS0 UART 0 Clear to Send Reserved PA4 RXD0/IRRX0 UART 0 / IrDA 0 Receive Data Reserved PA5 TXD0/IRTX0 UART 0 / IrDA 0 Transmit Data Reserved PA6 T1IN/T1OUT* Timer 1 Input/Timer 1 Output Complement Reserved PA7 T1OUT Timer 1 Output Reserved Note: Because there is only a single alternate function for each Port A pin, the Alternate Function Set registers are not implemented for Port A. Enabling alternate function selections as described in Port A–D Alternate Function Sub-Registers on page 42 automatically enables the associated alternate function. * Whether PA0/PA6 take on the timer input or timer output complement function depends on the timer configuration as described in Timer Pin Signal Operation on page 75. |
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