MPC8536-RDK Freescale Semiconductor, MPC8536-RDK Datasheet - Page 635

• Manufacturer Part Number: MPC8536-RDK
• Description: BOARD REF COMEXPRESS MPC8536
• Manufacturer: Freescale Semiconductor
• Series: PowerQUICC ™r
• Type: MPUr

Specifications of MPC8536-RDK

• Contents: CSB1880, CSB1801, Cables, Documentation, Enclosure, Power Supply with cord
• For Use With/related Products: MPC8536
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12.3.1.12
The USCR registers are for debugging software or the DUART hardware. The USCRs do not affect the
operation of the DUART.
Figure 12-14
Table 12-18
12.3.1.13
The DMA status registers (UDSRs) are read-only registers that return transmitter and receiver FIFO status.
UDSRs also provide the ability to assist DMA data operations to and from the FIFOs.
Figure 12-15
Table 12-19
Freescale Semiconductor
Bits
Bits
0–7
0–5
Offset UART0: 0x507, UART1: 0x607
Offset UART0: 0x510, UART1: 0x610
Reset
Reset
Name
DATA
Name
W
W
R
R
—
describes the fields of the USCRs.
describes the fields of the UDSRs.
shows the bits in USCRs.
shows the bits in UDSRs.
Data
Scratch Registers (USCR n )
DMA Status Registers (UDSR n )
Reserved
0
0
0
MPC8536E PowerQUICC III Integrated Processor Reference Manual, Rev. 1
0
Figure 12-15. DMA Status Register (UDSR)
Figure 12-14. Scratch Register (USCR)
Table 12-18. USCR Field Descriptions
Table 12-19. UDSR Field Descriptions
0
—
0
All zeros
Description
DATA
Description
0
0
5
TXRDY
Access: Read/Write
0
6
Access: Read only
RXRDY
1
7
7
DUART
12-17