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參數(shù)資料
| 型號： | NCN6004AFTBR2G |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 6/40頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC INTERFACE SAM/SIM DUAL 48TQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 應(yīng)用： | PC，PDA |
| 接口： | 微控制器 |
| 電源電壓： | 1.8 V ~ 5.5 V |
| 封裝/外殼： | 48-TQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 48-TQFP（7x7） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 安裝類型： | 表面貼裝 |
| 其它名稱： | NCN6004AFTBR2GOSDKR |
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NCN6004A
http://onsemi.com
14
PROGRAMMING AND STATUS FUNCTIONS
The NCN6004A includes a programming interface and a
status interface. Figure 4 illustrates the sequence one must
follow to enter and exit the programming mode. Table 1 and
Table 2 provide the logical functions associated with the
input and output signals. The parameters are latched upon
the rising edge of the PGM signal, the CS pin being held low.
Any number of programming sequences can be performed
while the CS pin is Low, but the minimum timings must be
observed.
A0
A1
A2
A3
CARD_SEL
Parameters are latched upon PGM rise slope
Figure 4. Programming Sequence
tsprg
twcs
thprg
PGM
CS
Example:
Set CRD_VCC_A = 3.0 V
Example:
Set CRD_CLK_B = 1/8
On the other hand, since the programming data are latched
upon the rising edge of the PGM signal, the most up to date
selected card (using CARD_SEL = H or L) is used to
activate the associated card. Consequently, when both cards
must be updated with the same programmed content, a dual
PGM sequence must be carried out, changing the
CARD_SEL signal during the High level state of the PGM
pin.
Although selecting a card in possible during the same
Chip Select sequence (as depicted here above), the user must
make sure that no data will be present to a card not ready for
such a function. As a matter of fact, all the card signals are
routed to the selected card immediately after a CARD_SEL
change, the NCN6004A taking no further logic control prior
to activate the swap. To avoid any risk, one can run a
sequence with the selected card, return CS to High, change
the CARD_SEL according to the expected card selection,
and pull CS to Low to activate the selected card.
Table 1. Programming and Reading Basic Functions
Pin
Name
Select #A
#B
Select VCC
ON/OFF
Program
CLOCK_IN
Poll Card Status
#A or #B
Poll ICC Overload
#A or #B
ANLG_VCC
Input Voltage OK
7
CS
0
46
STATUS
READ
1
A0
0/1
1
0
2
A1
0/1
1
0
3
A2
0/1
X
4
A3
0/1
X
5
CARD_SEL
0/1
6
PGM
0/1
1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCN6010 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:SIM Card Supply and Level Shifter |
| NCN6010/D | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:SIM Card Supply and Level Shifter |
| NCN6010_06 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:SIM Card Supply and Level Shifter |
| NCN6010D | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:SIM Card Supply and Level Shifter |
| NCN6010DTB | 功能描述:轉(zhuǎn)換 - 電壓電平 2.7V Sim Card RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
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