Z8523008PEC Zilog, Z8523008PEC Datasheet - Page 14
![IC 8MHZ ESCC XTEMP 40-DIP](/photos/6/57/65796/269-40-dip_sml.jpg)
Z8523008PEC
Manufacturer Part Number
Z8523008PEC
Description
IC 8MHZ ESCC XTEMP 40-DIP
Manufacturer
Zilog
Datasheet
1.Z8523L10VEG.pdf
(118 pages)
Specifications of Z8523008PEC
Controller Type
Serial Communications Controller (SCC)
Interface
Bus
Voltage - Supply
4.5 V ~ 5.5 V
Current - Supply
4mA
Operating Temperature
-40°C ~ 100°C
Mounting Type
Through Hole
Package / Case
40-DIP (0.620", 15.75mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3044
- Current page: 14 of 118
- Download datasheet (2Mb)
Input
BRG
PS005308-0609
DPLL IN
Upper Byte (WR13)
RxD
Input/Output Capabilities
Time Constant
16 Bit Down Counter
System communication to and from the ESCC is accomplished using the
ESCC register set. There are 17 Write registers and 16 Read registers. Many of the fea-
tures on the ESCC are enabled through a new register in the ESCC: Write Register 7
Prime (WR7’). This new register can be accessed if bit 0 or WR15 is set to 1.
page 10 lists the Write registers and a brief description of their functions.
11 lists the Read Registers.
1 Bit
Internal TXD
DPLL
MUX
Lower Byte (WR12)
Time Constant
DPLL
OUT
Figure 6. ESCC Receive Data Path
Div 2
Decode
To Transmit Section
NRZI
Internal Data Bus
SYNC Register
and 0 Delete
BRG
Output
MUX
10 x 19 Frame
14 Bit Counter
Hunt Mode (BISYNC)
Status FIFO
SDLC-CRC
3 Bits
Register (8 Bits)
I/O Data Buffer
Rx Data FIFO
CRC Checker
8 Bytes Deep
Receive Shift
CRC Delay
CPU I/O
Register
Product Specification
Functional Description
SYNC
Z80230/Z85230/L
CRC
CRC Result
Rec. Error Logic
Rx Error FIFO
8 Bytes Deep
Table 2
Table 1
on page
on
9
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