z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 311

• Manufacturer Part Number: z80189
• Description: Z80180, Z8s180, Z8l180 Mpu Operation
• Manufacturer: ZiLOG Semiconductor

Register
ASCI Status Channel 0:
ASCI Status Channel 1:
Table 57.
STAT0
STAT1
Mnemonics Address
Internal I/O Registers (Continued)
0
0
5
4
during RESET
during RESET
* DCD
R/W
R/W
bit
bit
0
: Depending on the condition of DCD
RDRF
RDRF
0
0
R
R
Receive Data Register Full
Receive Data Register Full
Family MPU User Manual
OVRN
OVRN
0
R
0
R
Overrun Error
Overrun Error
Remarks
PE
PE
0
R
0
R
Parity Error
Parity Error
0
Pin.
FE
FE
0
R
0
R
Framing Error
Framing Error
invalid
0
R/W
R/W
RIE
RIE
UM005003-0703
Receive Interrupt Enable
Receive Interrupt Enable
CTS1E
DCD0
*
0
R
R
Z8018x
Data Carrier Detect
CTS1 Enable
TDRE
TDRE
** CTS
**
1
R
R
Transmit Data Register Empty
Transmit Data Register Empty
H
L
0
R/W
R/W
Transmit Interrupt Enable
Transmit Interrupt Enable
TIE
Pin
TIE
0
0
TDRE
0
1
295