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參數(shù)資料
| 型號： | MB86942PFV |
| 廠商： | FUJITSU LTD |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | Peripheral LSI for SPARClite |
| 中文描述： | MULTIFUNCTION PERIPHERAL, PQFP144 |
| 封裝： | PLASTIC, QFP-144 |
| 文件頁數(shù)： | 27/49頁 |
| 文件大?。?/td> | 598K |
| 代理商： | MB86942PFV |
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27
MB86941/942
(5) Prescaler timer
Prescaler input
(MB86941: V
DD
= 5 V
±
5%, T
A
= 0 to +70
°
C)
(MB86942: V
DD
= 3.3 V
±
0.15 V, T
A
= 0 to +70
°
C)
MB86941
Min.
Max.
Min.
50
—
40
22
—
15
22
—
15
—
5
—
—
5
—
* :Applied in prescaler external clock mode. When the prescaler output is used as a timer signal, the timer input
clock requirements must be met.
Prescaler output
(MB86941: V
DD
= 5 V
±
5%, T
A
= 0 to +70
°
C)
(MB86942: V
DD
= 3.3 V
±
0.15 V, T
A
= 0 to +70
°
C)
Symbol
Standard Value
t
PSCLW
1
t
PSCHW
N – 1
t
PSCLW
N
2
M – 1
t
PSCHW
N
2
M – 1
*1: Applied when the prescaler register SELECT field is set to “0.”
N: Value set in the prescaler register PRESCALE VALUE field
*2: Applied when the prescaler register SELECT field is set to any value other than “0.”
M: Value set in the prescaler register SELECT field.
N: Value set in the prescaler register PRESCALE VALUE field.
*3: When the prescaler register SELECT field is set to “0,” the PRSCKx output is fixed at “L” level.
*4: t
PCK
has the following prescaler input clock period.
Internal clock mode: t
PCK
= 2
t
CLK
(For t
CLK
, see “(2) Clock Signals”)
External clock mode: t
PCK
= t
ACK
(For t
ACK
, see “(5) Prescaler Timer Unit/Prescaler Input”)
Parameter
Symbol
MB86942
Unit
Max.
—
—
—
5
5
Prescaler input clock cycle time*
Prescaler input clock “H” level width*
Prescaler input clock “L” level width*
Prescaler input clock rise time*
Prescaler input clock fall time*
t
ACK
t
ACHW
t
ACLW
t
ACR
t
ACF
ns
ns
ns
ns
ns
Parameter
Unit
t
PCK
*
4
t
PCK
*
4
t
PCK
*
4
t
PCK
*
4
Prescaler output “L” level width*
1,
*
3
Prescaler output “H” level width*
1,
*
3
Prescaler output “L” level width*
2,
*
3
Prescaler output “H” level width*
2,
*
3
t
ACHW
t
ACR
ACLK0,
ACLK1
t
ACK
t
ACLW
t
ACF
PRSCK0,
PRSCK1
t
PSCLW
t
PSCHW
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|---|---|
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|---|---|
| MB86950BPD-G | 制造商:FUJITSU 功能描述: |
| MB86960 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:NETWORK INTERFACE CONTROLLER with ENCODER/DECODER (NICE) |
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| MB86961A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:UNIVERSAL INTERFACE FOR 10BASET |
| MB86961APD-G | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:UNIVERSAL INTERFACE FOR 10BASET |
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