Sundance SMT300Q v.1.6 - Manual (Page 15)

User Manual (QCF42); Version 3.0, 8/11/00; © Sundance Multiprocessor Technology Ltd. 1999
4.3 Memory Space Assignments(BAR2)
Address (Hex) Description Notes
0x0000 0000 – 0x000F FFFF Shared Memory Bank 1MB SRAM
0x00200090 ComPort Data
Mirror
Mirror of COMPORT_OUT /
COMPORT_IN in I/O Space
Register Assignments
(BAR1)
See Note 2
0x00200094 ComPort Status
Mirror
Mirror of Control / Status in I/O
Space Register
Assignments (BAR1)
See Note 2
0x00200098 ComPort Int_Control
Mirror
Mirror of Int_Control in I/O
Space Register
Assignments (BAR1)
See Note 2
0x0020 0000-0x0020 007F Global Bus See Note 1
Table 3 : Memory space map
Note 1: In order for the TIM to respond to accesses for this area address line
GADD30 and GADD19 of the TIM site connector must be decoded as high and
GADD7 and GADD5 must be decoded as low.
Note 2: These mirrors of Addresses in the I/O Space (BAR1) allow increased transfer
speeds across the host ComPort link (in excess of 10X increase).