Z80185 Datasheet, PDF (62/95 Pages) Zilog, Inc. – SMART PERIPHERAL CONTROLLERS

Zilog
Write Register 12
D7 D6 D5 D4 D3 D2 D1 D0
Write Register 13
D7 D6 D5 D4 D3 D2 D1 D0
PRELIMINARY
Z80185/Z80195
SMART PERIPHERAL CONTROLLERS
TC0
TC1
TC2
TC3 _{Lower Byte of}
TC4 ^{Time Constant}
TC5
TC6
TC7
Write Register 14
D7 D6 D5 D4 D3 D2 D1 D0
BR Generator Enable
BR Generator Source
Reserved, Program as 0.
Auto Echo
Local Loopback
0 0 0 Null Command
0 0 1 Enter Search Mode
0 1 0 Reset Missing Clock
0 1 1 Disable DPLL
1 0 0 Set Source = BR Generator
1 0 1 Set Source = /RTxC
1 1 0 Set FM Mode
1 1 1 Set NRZI Mode
TC8
TC9
TC10
TC11
Upper Byte of
TC12
Time Constant
TC13
TC14
TC15
Write Register 15
D7 D6 D5 D4 D3 D2 D1 D0
WR7' SDLC Feature Enable
Zero Count IE
SDLC FIFO Enable
DCD IE
Sync/Hunt IE
CTS IE
Tx Underrun/EOM IE
Break/Abort IE
Figure 71. Write Register Bit Functions (Continued)
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DS971850301