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AN3123 Datasheet(PDF) 8 Page - STMicroelectronics |
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AN3123 Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 30 page UART signals AN3123 8/30 Doc ID 16862 Rev 2 2.5 SPEAr320S In SPEAr320S the external pin connections of UART0 are the same as the UART in SPEAr300. Refer to Table 3. You can configure the device to have: ● up to 7 UARTs, 5 without modem control lines and 2 with modem control lines. ● 1 UART_RS485 PL_GPIO[42] D9 UART0_DTR PL_GPIO[41] C9 UART0_RI PL_GPIO[40] B9 UART0_DSR PL_GPIO[39] A9 UART0_DCD PL_GPIO[38] A8 UART0_CTS PL_GPIO[37] B8 UART0_RTS PL_GPIO[36] C8 UART1_CTS UART1_CTS PL_GPIO[35] D8 UART1_DTR UART1_DTR PL_GPIO[34] E8 UART1_RI UART1_RI PL_GPIO[33] E7 UART1_DCD PL_GPIO[32] D7 UART1_DSR PL_GPIO[31] C7 UART1_RTS PL_GPIO[29] A7 UART1_TX UART1_TX UART1_TX UART1_TX UART1_TX PL_GPIO[28] A6 UART1_RX UART1_RX UART1_RX UART1_RX UART1_RX PL_GPIO[3] D1 UART0_RX PL_GPIO[2] E4 UART0_TX PL_GPIO[1] E3 UART2_TX UART2_TX UART2_TX UART2_TX PL_GPIO[0] F3 UART2_RX UART2_RX UART2_RX UART2_RX Table 8. UART configurations for SPEAr320 (continued) Signal Ball Alternate function Config. 1 Config. 2 Config. 3 Config. 4 Table 9. Memory map on SPEAr300 Peripheral Start address End address UART0 0xD000.0000 0xD007.FFFF UART1 0xA300.0000 0xA3FF.FFFF UART2 0xA400.0000 0xA4FF.FFFF |
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