Microcontroller User's Manual

MOTOROLA Appendix A. Register Memory Map A-5
IPSBAR + 0x1D0 DMA Status Register 3 DSR3 8
UART Registers
IPSBAR + 0x200 UART Mode Register 0
2
UMR10,
UMR20
8
IPSBAR + 0x204 (Read) UART Status Register 0 USR0 8
(Write) UART Clock Select Register 0
1
UCSR0 8
IPSBAR + 0x208 (Read) Reserved 8
(Write) UART Command Register 0 UCR0 8
IPSBAR + 0x20C (Read) UART Receive Buffer 0 URB0 8
(Write) UART Transmit Buffer 0 UTB0 8
IPSBAR + 0x210 (Read) UART Input Port Change Register 0 UIPCR0 8
(Write) UART Auxiliary Control Register 0
1
UACR0 8
IPSBAR + 0x214 (Read) UART Interrupt Status Register 0 UISR0 8
(Write) UART Interrupt Mask Register 0 UIMR0 8
IPSBAR + 0x218 (Read) Reserved
3
8
UART Baud Rate Generator Register 10 UBG10 8
IPSBAR + 0x21C (Read) Reserved
3
8
UART Baud Rate Generator Register 20 UBG20 8
IPSBAR + 0x234 (Read) UART Input Port Register 0 UIP0 8
(Write) Reserved
3
8
IPSBAR + 0x238 (Read) Reserved
3
8
(Write) UART Output Port Bit Set Command
Register 0
UOP10 8
IPSBAR + 0x23C (Read) Reserved
3
8
(Write) UART Output Port Bit Reset Command
Register 0
UIP00 8
IPSBAR + 0x240 UART Mode Registers 1
2
UMR11,
UMR21
8
IPSBAR + 0x244 (Read) UART Status Register 1 USR1 8
(Write) UART Clock Select Register 1
1
UCSR1 8
IPSBAR + 0x248 (Read) Reserved
3
8
(Write) UART Command Register 1 UCR1 8
IPSBAR + 0x24C (UART/Read) UART Receive Buffer 1 URB1 8
(UART/Write) UART Transmit Buffer 1 UTB1 8
IPSBAR + 0x250 (Read) UART Input Port Change Register 1 UIPCR1 8
(Write) UART Auxiliary Control Register 1
1
UACR1 8
Table A-3. Register Memory Map (Continued)
Address Name Mnemonic Size