Z8018933ASC View Datasheet(PDF) - Zilog

Part Name

Description

Manufacturer

Z8018933ASC

GENERAL-PURPOSE EMBEDDED CONTROLLERS

Zilog 

Zilog

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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