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參數(shù)資料
| 型號(hào)： | MJ-80C32E-30-E |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Rad. Tolerant 8-bit ROMless Microcontroller |
| 中文描述： | 8-BIT, 30 MHz, MICROCONTROLLER, QCC44 |
| 封裝： | QFP-44 |
| 文件頁(yè)數(shù)： | 16/20頁(yè) |
| 文件大?。?/td> | 298K |
| 代理商： | MJ-80C32E-30-E |
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16
80C32E
4149M–AERO–06/04
Figure 14.
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. Propaga-
tion 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
ALE
INTERNAL
STATE4
STATE5
STATE6
STATE1
STATE2
STATE3
STATE4
STATE5
EXTERNAL PROGRAM MEMORY FETCH
READ CYCLE
RD
WRITE CYCLE
SERIAL PORT SHIFT CLOCK
TXD (MODE 0)
PORT OPERATION
PSEN
P0
P2 (EXT)
P0
P2
P0
P2
WR
RXD SAMPLED
RXD SAMPLED
P0 PINS SAMPLED
P1, P2, P3 PINS SAMPLED
P1, P2, P3 PINS SAMPLED
P0 PINS SAMPLED
MOV DEST PORT (P1, P2,
(INCLUDES INT0, INT1, TO, T1)
MOV DEST P0
OLD DATA
NEW DATA
DPL OR Rt OUT
DATA OUT
PCL OUT (EVEN IF
MEMORY IS INTERNAL)
PCL OUT (IF PROGRAM
MEMORY IS EXTERNAL)
INDICATES DPH OR P2 SFR TO PCH TRANSITION
DPL OR Rt OUT
FLOAT
PCL OUT (IF PROGRAM
MEMORY IS EXTERNAL)
INDICATES DPH OR P2 SFR TO PCH TRANSITION
INDICATES ADDRESS
TRANSITIONS
FLOAT
FLOAT
FLOAT
PCL OUT
PCL OUT
PCL OUT
DATA
SAMPLED
DATA
SAMPLED
DATA
SAMPLED
THESE SIGNALS ARE NOT ACTIVATED DURING THE
EXECUTION OF A MOVX INSTRUCTION
P1P2
P1P2
P1P2
P1P2
P1P2
P1P2
P1P2
P1P2
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