z85230 ZiLOG Semiconductor, z85230 Datasheet - Page 63

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

Table 29. Read Register 4
PS005303-0907
Bit
R/W
Reset
R = Read W = Write X = Indeterminate
Bit
Position
7, 6
5, 4
3, 2
1
0
This register reflects the contents of RR0 if WR7’ bit 6 is enabled.
R/W
X
7
Value
00
01
10
00
01
10
00
01
10
11
11
11
X
6
0
1
Description
X1 Clock Mode
X16 Clock Mode
Z32 Clock Mode
X64 Clock Mode
8-Bit Sync Character
16-Bit Sync Character
SDLC Mode (01111110 Flag)
External Sync Mode
Sync Modes Enable
1 Stop Bit/Character
1.5 Stop Bits/Character
2 Stop Bits/Character
Parity EVEN/ODD
Odd
Even
Parity Enable
X
5
X
4
R
X
3
X
2
Product Specification
Z85230/Z80230
1
X
Programming
X
0
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