
SyncManager (0x0800:0x087F)
II-58 Slave Controller – Register Description
Table 92: Register Status Register SyncManager y (0x0805+y*8)
Interrupt Write:
1: Interrupt after buffer was completely and
successfully written
0: Interrupt cleared after first byte of buffer
was read
NOTE: This interrupt is signaled to the reading
side if enabled in the SM Control register.
Interrupt Read:
1: Interrupt after buffer was completely and
successful read
0: Interrupt cleared after first byte of buffer
was written
NOTE: This interrupt is signaled to the writing side
if enabled in the SM Control register.
Mailbox mode: mailbox status:
0: Mailbox empty
1: Mailbox full
Buffered mode: reserved
Buffered mode: buffer status (last written
buffer):
00: 1. buffer
01: 2. buffer
10: 3. buffer
11: (no buffer written)
Mailbox mode: reserved
Read buffer in use (opened)
Write buffer in use (opened)
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