FUJITSU Semiconductor Controller MB89950/950A - Manual (Page 218)

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CHAPTER 10 UART
10.4 UART Registers
This section describes the registers of the UART.
■ UART registers
Figure 10.4-1 UART registers
SMC1 (Serial mode control register 1)
SRC (Serial rate control register)
SSD (Serial status and data register)
SIDR (Serial input data register)
SODR (Serial output data register)
SMC2 (Serial mode control register 2)
Address Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Initial value
0020 H PEN SBL MC1 MC0 SMDE SCKE SOE 00000-00 B
R/W R/W R/W R/W R/W R/W R/W
Address Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Initial value
0021 H CR CS1 CS0 RC2 RC1 RC0 --011000 B
R/W R/W R/W R/W R/W R/W
Address Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Initial value
0022 H RDRF ORFE TDRE TIE RIE TD8/TP RD8/RP 00100-1X B
R R R R/W R/W R/W R
Address Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Initial value
0023 H XXXXXXXX B
R R R R R R R R
Address Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Initial value
0023 H XXXXXXXX B
W W W W W W W W
Address Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Initial value
0024 H PSEN RSEL PDS1 PDS0 --1-0-00 B
R/W R/W R/W R/W
R/W : Readable and writable
R : Read-only
W : Write-only
— : Unused
X : Indeterminate