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參數(shù)資料
| 型號： | Z86K17 |
| 廠商： | ZiLOG, Inc. |
| 英文描述： | CMOS Z8 8-Bit MCU Keyboard Controllers |
| 中文描述： | Z8的CMOS 8位微控制器鍵盤控制器 |
| 文件頁數(shù)： | 15/24頁 |
| 文件大?。?/td> | 170K |
| 代理商： | Z86K17 |
Z86K13/K14/K15/K16/K17/K18
CMOS Z8 8-Bit MCU Keyboard Controllers
Zilog
DS97KEY0204
P R E L I M I N A R Y
15
1
Counter/Timers.
There is an 8-bit programmable
counter/timer (T0) driven by its own 6-bit programmable
prescaler (Figure 15).
The 6-bit prescalers can divide the input frequency of the
clock source by any integer number from 1 to 64. The pres-
caler drives its counter, which decrements the value (1 to
256) on the prescaler overflow. When both the counter and
prescaler reach the end of count, a timer interrupt request,
IRQ4, is generated.
The counter can be programmed to start, stop, restart to
continue, or restart from the initial value. The counter can
also be programmed to stop upon reaching zero (single
pass mode) or to automatically reload the initial value and
continue counting (modulo-n continuous mode) The
counter, but not the prescaler, is read at any time without
disturbing its value or count mode.
Figure 15. Counter/Timers Block Diagram
PRE0
Initial Value
Register
T0
Initial Value
Register
T0
Current Value
Register
6-Bit
Down
Counter
8-bit
Down
Counter
÷
4
IRQ4
Write
Write
Read
Internal Data Bus
OSC
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| Z86K18 | CMOS Z8 8-Bit MCU Keyboard Controllers |
| Z86L08 | Z8 8-Bit Cost-Effective Microcontrollers |
| Z86L2908 | NTSC LINE 21 DECODER |
| Z86L33 | CMOS Z8 CONSUMER CONTROLLER PROCESSOR |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| Z86K18 | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:CMOS Z8 8-Bit MCU Keyboard Controllers |
| Z86L02 | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:LOW-COST, 512-BYTE ROM MICROCONTROLLERS |
| Z86L0208HSGRXXX | 功能描述:8位微控制器 -MCU Z8 512 BYTE ROM 8 MHZ LV (L/F) RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT |
| Z86L0208PEC | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:LOW-COST, 512-BYTE ROM MICROCONTROLLERS |
| Z86L0208PSC | 制造商:ZILOG 制造商全稱:ZILOG 功能描述:LOW-COST, 512-BYTE ROM MICROCONTROLLERS |
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