Motorola MOSCAD 68P02958C00-B User Manual page 335

14. Number of busy Tx descriptors.
15. Number of empty Tx descriptors.
## 321
Trunk radio hardware control and status :-
Internal software data (key)
Internal hardware registers
Internal hardware parameters
Scc configuration register
Scc mode register
Scc data sync. register
Scc event register
Scc mask register
Scc status register
Channel control register
Channel direction register
Channel data register
1. Device-key address.
2. H-W registers address.
3. H-W parameters address.
4. Determines the clock direction (Rx or Tx) and the baud rate
5. Determines the work mode — HDLC or UART.
6. Determines the HDLC flags.
7. The events that generate the interrupt.
8. Mask to block the interrupt.
9. The CM (Channel Monitor) and TD (Tone Detect) statuses.
10. Defines the functionality of port B in 68.
11. Determines whether the pin is for input or output.
12. Defines the value of the pin (previous parameter).
## 322
Trunk radio hardware data buffers status :-
Internal software data (key)
Internal hardware registers
Internal hardware parameters
Receive buffer descriptor 0
Receive buffer descriptor 1
Receive buffer descriptor 2
Receive buffer descriptor 3
Receive buffer descriptor 4
Receive buffer descriptor 5
Receive buffer descriptor 6
Receive buffer descriptor 7
(DATA) : %% 1
(IREG) : %% 2
(IRAM) : %% 3
(RXBD0) : %% %%
(RXBD1) : %% %%
(RXBD2) : %% %%
(RXBD3) : %% %%
(RXBD4) : %% %%
(RXBD5) : %% %%
(RXBD6) : %% %%
(RXBD7) : %% %%
C-43
Software Diagnostics Output
(DATA) : %% 1
(IREG) : %% 2
(IRAM) : %% 3
(SCON) : %% 4
(SCM) : %% 5
(DSR) : %% 6
(SCCE) : %% 7
(SCCM) : %% 8
(SCCS) : %% 9
(PBCNT): %% 10
(PRDDR): %% 11
(PBDAT): %% 12
%% %% 4
%% %% 5
%% %% 6
%% %% 7
%% %% 8
%% %% 9
%% %% 10
%% %% 11