Motorola MC68302 User Manual page 438

SCC Programming Reference
Table E-1 (b). UART Programming Model (Continued)
General Parameter and UART Protocol-Specific RAM for SCCx
Initialized Offset
by User Hex
Yes 80
Yes 82
84
86
88
8A
8C
8E
90
92
94
96
98
9A
Yes 9C
9E
Yes A0
NOTE: The offset is from the MC68302 base address + ($400 for SCC1, $500 for SCC2, or $600 for SCC3).
Initialized Offset
by User Hex
00
Yes 02
Yes 04
Yes 06
Yes 08
Yes 0A
0C
0E
NOTE: The offset is from the MC68302 base address + ($880 for SCC1, $890 for SCC2, or $8A0 for SCC3).
Initialized Offset
by User Hex
860
Yes 8B2
Yes 8B4
NOTE: The offset is from the MC68302 base address.
E-16
Name
RFCR TFCR
MRBLR
Rx Internal State
Rx Internal Buffer
Reserved
No.
Rx Internal Data Pointer (High Word)
Rx Internal Data Pointer (Low Word)
Rx Internal Byte Count
Rx Temp
Tx Internal State
Tx Internal Buffer
Reserved
No.
Tx Internal Data Pointer (High Word)
TX Internal Data Pointer (Low Word)
Tx Internal Byte Count
Tx Temp
Maximum IDLE Characters
Temporary Receive IDLE Counter
Break Counter Register
Table E-1 (c). SCCx Register Set
Reserved
SCC Configuration Register (SCON)
SCC Mode Register (SCM)
SCC Data Synchronization Register (DSR)
Event Register (SCCE)
Mask Register (SCCM)
Status Register (SCCS)
Reserved
Table E-1 (d). General Registers (Only One Set)
Command Register (CR)
Serial Interface Mask Register (SIMASK)
Serial Interface Mask Register (SIMODE)
MC68360 USER'S MANUAL
Initialized by Offset
User Hex
Yes A2
Yes A4 Receive Framing Error Counter
Yes A6
Yes A8
Yes AA
Yes AC
Receive Control Character Reg-
AE
Yes B0
Yes B2
Yes B4
Yes B6
Yes B8
Yes BA
Yes BC
Yes BE
Name
Reserved
Reserved
Reserved
Name
Reserved
Name
Receive Parity Error Counter
Receive Noise Counter
Receive Break Condition
Counter
UART Address Character 1
UART Address Character 2
ister
Control Character 1
Control Character 2
Control Character 3
Control Character 4
Control Character 5
Control Character 6
Control Character 7
Control Character 8
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