Zilog Z8F0411 - Manual (Page 77)

MDS General-Purpose Board Development Kit
User Manual
UM016905-1207 Appendix—MDS-PM Board Pin Maps
66
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RS232_COM1_ENABLE—D3 = 0
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RS232_COM2_ENABLE—D4 = 0
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RF_ENABLE—D5 = 0
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SW_UART_ENABLE—D6 = 0
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Spare—D7
RS232-1 Signals
Enabled by jumper on J2 pins 1, 2, or by U2 pin D3. Uses COM1. When
enabled, disables RS485, IrDA, and RF.
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TXD—PA5_TXD0
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RXD—PA4_RXD0
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CTS—PA3_CTS0 (Input)
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RTS—PJ3 (Software RTS0 Output)
RS232-2 Signals
Enabled by jumper on J2 pins 9, 10, or by U2 pin D4. Uses COM2. When
enabled, disables GPS and Software UART.
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TXD—PD5_TXD1
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RXD—PD4_RXD1
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CTS—PD6_CTS1 (Input)
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RTS—PD3 (Software RTS1 Output)
IrDA Module Signals
Enabled by jumper on J2 pins 5, 6, or by U2 pin D1. Uses COM1. When
enabled, disables RS232-1, RS485, and RF.
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TXD—PA5_TXD0
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RXD—PA4_RXD0