Z8018933FSC View Datasheet(PDF) - Zilog

Part Name

Description

Manufacturer

Z8018933FSC

GENERAL-PURPOSE EMBEDDED CONTROLLERS

Zilog 

Zilog

PRELIMINARY

ASCI CHANNELS CONTROL REGISTERS (Continued)

STAT0

Addr 04H

Bit RDRF OVRN PE FE RIE /DCD0 TDRE TIE

Upon Reset

0

0

0

0

0

† †† 0

R/W R R R R R/W R R R/W

Z80189/Z8L189

GENERAL-PURPOSE EMBEDDED CONTROLLERS

† /DCD0 - Depending on the condition of /DCD0 Pin.

†† TDRE is reset to 0, when /CTSO input is high.

/CTS0 Pin = L: TDRE = 1

/CTS0 Pin = H: TDRE = 0

Transmit Interrupt Enable

Transmit Data Register

Empty

Data Carrier Detect

Receive Interrupt Enable

Framing Error

Parity Error

Over Run Error

Receive Data Register Full

Figure 36. ASCI Status Register

STAT1

Addr 05H

Bit RDRF OVRN PE FE RIE CTS1E TDRE TIE

Upon Reset

0

0

0

00

0

1

0

R/W

R

R

R

R R/W R/W R R/W

Transmit Interrupt Enable

Transmit Data Register

Empty

/CTS1 Enable

Receive Interrupt Enable

Framing Error

Parity Error

Over Run Error

Receive Data Register Full

Figure 37. ASCI Status Register (Ch. 1)

46

DS971890301

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