Z80182 Просмотр технического описания (PDF) - Zilog
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Z80182 Datasheet PDF : 109 Pages
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Zilog
PRELIMINARY
Bit
Upon Reset
R/W
CNTLB0
MPBT MP
Invalid 0
R/W R/W
/CTS/
PS
†
R/W
PE0
0
R/W
Addr 02H
DR SS2 SS1 SS0
0
1
1
1
R/W R/W R/W R/W
Z80182/Z8L182
ZILOG INTELLIGENT PERIPHERAL
General
Divide Ratio
SS, 2, 1, 0
000
001
010
011
100
101
110
111
† /CTS - Depending on the condition of /CTS pin.
PS - Cleared to 0.
PS = 0
(Divide Ratio = 10)
DR = 0 (x16)
DR = 1 (x64)
Ø ÷ 160
Ø ÷ 640
Ø ÷ 320
Ø ÷ 1280
Ø ÷ 640
Ø ÷ 2580
Ø ÷ 1280
Ø ÷ 5120
Ø ÷ 2560
Ø ÷ 10240
Ø ÷ 5120
Ø ÷ 20480
Ø ÷ 10240
Ø ÷ 40960
External Clock (Frequency < Ø ÷ 40)
Clock Source and Speed Select
Divide Ratio
Parity Even or Odd
Clear To Send/Prescale
Multiprocessor
Multiprocessor Bit Transmit
PS = 1
(Divide Ratio = 30)
DR = 0 (x16)
Ø ÷ 480
Ø ÷ 960
Ø ÷ 1920
Ø ÷ 3840
Ø ÷ 7680
Ø ÷ 15360
Ø ÷ 30720
DR = 1 (x64)
Ø ÷ 1920
Ø ÷ 3840
Ø ÷ 7680
Ø ÷ 15360
Ø ÷ 30720
Ø ÷ 61440
Ø ÷ 122880
Figure 11. ASCI Control Register B (Ch. 0)
DS971820600
PS009801-0301
3-31
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