参数资料
型号: AT89EB5114
厂商: Atmel Corp.
元件分类: 8位微控制器
英文描述: Low-pin-count 8-bit microcontroller with A/D converter
中文描述: 低引脚数的8 - A / D转换位微控制器
文件页数: 91/95页
文件大小: 1126K
代理商: AT89EB5114
91
4311A–8051–01/05
Figure 46.
Clock Waveforms
This diagram indicates when signals are clocked internally. The time it takes the signals
to propagate to the pins, however, ranges from 25 to 125 ns. This propagation delay is
dependent on variables such as temperature and pin loading. Propagation also varies
from output to output and component. Typically though (T
A
=25
°
C fully loaded) RD and
WR propagation delays are approximately 50 ns. The other signals are typically 85 ns.
Propagation delays are incorporated in the AC specifications.
CLOCK
XTAL2
INTERNAL
STATE4
STATE5
STATE6
STATE1
STATE2
STATE3
STATE4
STATE5
SERIAL PORT SHIFT CLOCK
TXD (MODE 0)
PORT OPERATION
RXD SAMPLED
RXD SAMPLED
P1, P3, P4 PINS SAMPLED
P1, P3, P4 PINS SAMPLED
MOV DEST PORT (P1, P3, P4)
(INCLUDES INT0, INT1, TO, T1)
OLD DATA
NEW DATA
P1P2
P1P2
P1P2
P1P2
P1P2
P1P2
P1P2
P1P2
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