Z8018933FSC 데이터 시트보기 (PDF) - Zilog
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Z8018933FSC Datasheet PDF : 107 Pages
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PRELIMINARY
16550 MIMIC FIFO DESCRIPTION (Continued)
Z80189/Z8L189
GENERAL-PURPOSE EMBEDDED CONTROLLERS
MPU Write
LSR Shadow
B2-B4
error
3
3
PC Read
LSR
B2-B4
phi
MPU_RD
Sync
MPU
8
Databus
(MPU Side Write)
phi
MPU
IRQ
W
R
I
T
E
B
U
F
F
E
R
Write
Pointer
16x8
Data Bits
ALU
16x3 R
Error E
Bits A
D
B
U
F
F
E
R
Read
Pointer
phi
Sync
PC_RD
8
PC Side
Databus
(PC Side Read)
5
FIFO Control
Register
PC
IRQ
MPU Side
Interface
Figure 77. Receiver FIFO Block Diagram
16550
MIMIC or
PC Side
Interface
66
DS971890301
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