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參數(shù)資料
| 型號： | Z90102 |
| 廠商： | ZiLOG, Inc. |
| 英文描述： | CAP 560PF 100V 10% X7R AXIAL BULK R-MIL-PRF-39014 |
| 中文描述： | 40引腳低成本數(shù)字電視控制器 |
| 文件頁數(shù)： | 20/36頁 |
| 文件大?。?/td> | 232K |
| 代理商： | Z90102 |
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Z90102/90103/90104
40-Pin Low-Cost Digital Television Controller
Zilog
20
DS97TEL1902
FUNCTIONAL DESCRIPTION
(Continued)
Stack.
Either the internal register file or the external data
memory is used for the stack. An 8-bit Stack Pointer is
used for the internal stack that resides within the 236 gen-
eral-purpose registers.
Counter/Timers.
There are two 8-bit programmable
counter/timers (T0-T1), each driven by its own 6-bit pro-
grammable prescaler (PRE0 and PRE1). The T1 prescaler
can be driven by internal or external clock sources; howev-
er, the T0 prescaler is driven by the internal clock only (Fig-
ure 18).
The counter, but not the prescalers, are read at any time
without disturbing their value or count mode. The clock
source for T1 is user definable and is the internal micropro-
cessor clock (XTAL clock/4), or an external signal input
through Port 3, P31. The counter/timers are programmably
cascaded by connecting the T0 output to the input of T1.
Figure 18. Counter/Timer Block Diagram
OSC
PRE0
Initial Value
Register
T0
Initial Value
Register
T0
Current Value
Register
6-Bit
Down
Counter
8-Bit
Down
Counter
4
6-Bit
Down
Counter
8-Bit
Down
Counter
PRE1
Initial Value
Register
T1
Initial Value
Register
T1
Current Value
Register
Clock
Logic
IRQ4
TOUT
P36
IRQ5
Internal Data Bus
Write
Write
Read
Internal Clock
Gated Clock
Triggered Clock
TIN P31
Write
Write
Read
Internal Data Bus
External Clock
Internal
Clock
4
2
Serial I/O
Clock
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| Z90103 | CAP 680PF 100V 10% X7R AXIAL BULK R-MIL-PRF-39014 |
| Z90104 | CAP 820PF 100V 10% X7R AXIAL BULK R-MIL-PRF-39014 |
| Z90110 | CAP 1000PF 100V 10% X7R AXIAL BULK R-MIL-PRF-39014 |
| Z90120 | CAP 1000PF 100V 20% X7R AXIAL BULK R-MIL-PRF-39014 |
| Z90130 | CAP 3300PF 100V 10% X7R AXIAL BULK R-MIL-PRF-39014 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| Z9010204PSC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| Z90103 | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:40-Pin Low-Cost Digital Television Controller |
| Z9010304PSC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
| Z90104 | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:40-Pin Low-Cost Digital Television Controller |
| Z9010404PSC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller |
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