z85230 ZiLOG Semiconductor, z85230 Datasheet - Page 43

• Manufacturer Part Number: z85230
• Description: Enhanced Serial Communications Controller
• Manufacturer: ZiLOG Semiconductor

Table 9. Write Register 1
PS005303-0907
Bit
R/W
Reset
R = Read W = Write X = Indeterminate
Bit
Position
7
6
5
4, 3
2
1
0
R/W
7
0
Value
00
01
10
11
6
0
0
1
0
1
0
1
Description
WAIT/DMA Request Enable
Disabled
Enabled
WAIT/DMA Request Function
Wait
Request
WAIT/DMA Request on Receive/Transmit
Transmit
Receive
Receive Interrupt Disable
Rec Int on First Character or Special Condition
Int on all Rx Characters or Special Condition
Rx Int on Special Condition Only
Parity is Special condition
Tx Int Enable
Ext Int Enable
X
5
4
0
W
3
0
X
2
Product Specification
Z85230/Z80230
1
0
Programming
0
0
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