Z85C3010PSG Zilog, Z85C3010PSG Datasheet - Page 118

• Manufacturer Part Number: Z85C3010PSG
• Description: IC 10MHZ Z8500 CMOS SCC 40-DIP
• Manufacturer: Zilog
• Series: SCCr

Specifications of Z85C3010PSG

• Processor Type: Z80
• Features: Error Detection and Multiprotocol Support
• Speed: 10MHz
• Voltage: 5V
• Mounting Type: Through Hole
• Package / Case: 40-DIP (0.620", 15.75mm)
• Cpu Speed: 8MHz
• Digital Ic Case Style: DIP
• No. Of Pins: 40
• Supply Voltage Range: 5V
• Operating Temperature Range: 0°C To +70°C
• Svhc: No SVHC (18-Jun-2010)
• Base Number: 85
• Rohs Compliant: Yes
• Clock Frequency: 10MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-3934; Z85C3010PSG

UM010901-0601
5.2.8 Write Register 7 (Sync Character or
SDLC Flag)
WR7 is programmed to contain the receive sync character
in the Monosync mode, a second byte (the last eight bits)
of a 16-bit sync character in the Bisync mode, or a Flag
Sync7
Sync1
Sync7
Sync3
ADR7
ADR7
Sync7
Sync5
Sync15
Sync11
0
Sync6
Sync0
Sync6
Sync2
ADR6
ADR6
Sync6
Sync4
Sync14
Sync10
1
Write Register 6
D7 D6 D5 D4 D3 D2 D1 D0
Write Register 7
D7 D6 D5 D4 D3 D2 D1 D0
Sync5
Sync5
Sync5
Sync1
ADR5
ADR5
Sync5
Sync3
Sync13
Sync9
1
Sync4
Sync4
Sync4
Sync0
ADR4
ADR4
Sync4
Sync2
Sync12
Sync8
1
Figure 5-9. Write Register 7
Figure 5-8. Write Register 6
Sync3
Sync3
Sync3
ADR3
Sync3
Sync1
Sync11
Sync7
1
x
1
Sync2
Sync2
Sync2
ADR2
Sync2
Sync0
Sync10
Sync6
1
x
1
character (01111110) in the SDLC modes. WR7 holds the
receive sync character or a flag if one of the special
versions of the External Sync mode is selected. WR7 is not
used in Asynchronous mode. Bit positions for WR7 are
shown in Figure 5-9.
Sync1
Sync1
Sync1
ADR1
Sync1
Sync9
Sync5
x
1
x
1
Sync0
Sync0
Sync0
ADR0
Sync0
Sync8
Sync4
x
1
x
0
Monosync, 8 Bits
Monosync, 6 Bits
Bisync, 16 Bits
Bisync, 12 Bits
SDLC
SDLC (Address Range)
Monosync, 8 Bits
Monosync, 6 Bits
Bisync, 16 Bits
Bisync, 12 Bits
SDLC
SCC™/ESCC™ User’s Manual
Register Descriptions
5-11
5