
Rev.2.00 Oct 16, 2006
page 41 of 354
REJ09B0340-0200
M30245 Group
2. Clock-Synchronous Serial I/O
Figure 2.3.1. Memory map of serial I/O-related registers
004216
004816
004A16
004D16
004F16
005116
005316
005516
032816
032916
032A16
032B16
032C16
032D16
032E16
032F16
033816
033916
033A16
033B16
033C16
033D16
033E16
036816
036916
036A16
036B16
036C16
036D16
036E16
036F16
033F16
03A816
03A916
03AA16
03AB16
03AC16
03AD16
03AE16
03AF16
UART2 receive/ACK interrupt control register (S2RIC)
UART1 receive/ACK/SSI1 interrupt control register (S1RIC)
UART0 receive/ACK/SSI0 interrupt control register (S0RIC)
UART3 transmit/NACK interrupt control register (S3TIC)
UART1 transmit/NACK/SSI1 interrupt control register (S1TIC)
UART2 transmit/NACK interrupt control register (S2TIC)
UART0 transmit/NACK/SSI0 interrupt control register (S0TIC)
UART3 receive/ACK interrupt control register (S3RIC)
UART3 transmit / receive mode register (U3MR)
UART3 bit rate generator (U3BRG)
UART3 transmit buffer register (U3TB)
UART3 transmit / receive control register 0 (U3C0)
UART3 transmit / receive control register 1 (U3C1)
UART3 receive buffer register (U3RB)
UART2 transmit / receive mode register (U2MR)
UART2 bit rate generator (U2BRG)
UART2 transmit buffer register (U2TB)
UART2 transmit / receive control register 0 (U2C0)
UART2 transmit / receive control register 1 (U2C1)
UART2 receive buffer register (U2RB)
UART1 transmit / receive mode register (U1MR)
UART1 bit rate generator (U1BRG)
UART1 transmit buffer register (U1TB)
UART1 transmit / receive control register 0 (U1C0)
UART1 transmit / receive control register 1 (U1C1)
UART1 receive buffer register (U1RB)
UART0 transmit / receive mode register (U0MR)
UART0 bit rate generator (U0BRG)
UART0 transmit buffer register (U0TB)
UART0 transmit / receive control register 0 (U0C0)
UART0 transmit / receive control register 1 (U0C1)
UART0 receive buffer register (U0RB)
cessive reception mode disabled
(6) Input to the serial I/O and the direction register
To input an external signal to the serial I/O, slect the function select register A to I/O port and set the
direction register to input.
(7) Pins related to the serial I/O
_______
________
_______
CTS0, CTS1, CTS2, CTS3 pins
_______
Input pins for the CTS function
________
_______
RTS0, RTS1, RTS2, RTS3 pins
_______
Output pins for the RTS function
CLK0, CLK1, CLK2, CLK3 pins
Input/output pins for the transfer clock
RxD0, RxD1, RxD2, RxD3 pins
Input pins for data
TxD0, TxD1, TxD2, TxD3 pins
Output pins for data (Note)
Note: Since TxD2 pin is N-channel open drain, this pin needs pull-up resistor.
(8) Registers related to the serial I/O
Figure 2.3.1 shows the memory map of serial I/O-related registers, and Figures 2.3.2 to 2.3.4 show
serial I/O-related registers.