数据搜索系统，热门电子元器件搜索
  Chinese  ▼
ALLDATASHEETCN.COM

X  

预览 PDF HTML

ST8034HC 数据表(PDF) 9 Page - STMicroelectronics

部件名 ST8034HC
功能描述  24-pin smartcard interfaces
PDF  31 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST8034HC 数据表(HTML) 9 Page - STMicroelectronics

Back Button ST8034HC Datasheet HTML 5Page - STMicroelectronics ST8034HC Datasheet HTML 6Page - STMicroelectronics ST8034HC Datasheet HTML 7Page - STMicroelectronics ST8034HC Datasheet HTML 8Page - STMicroelectronics ST8034HC Datasheet HTML 9Page - STMicroelectronics ST8034HC Datasheet HTML 10Page - STMicroelectronics ST8034HC Datasheet HTML 11Page - STMicroelectronics ST8034HC Datasheet HTML 12Page - STMicroelectronics ST8034HC Datasheet HTML 13Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 9 / 31 page
background image
DocID024511 Rev 2
9/31
ST8034HN, ST8034HC
Pin description
Table 2. Pin description ST8034HN and ST8034HC
Pin
number
Symbol
Ref. supply
Function
1VDD(INTF)
VDD(INTF)
Microcontroller interface supply voltage
2
VCC_SEL2
VDD(INTF)
VCC selection control signal 5 V or 3 V (see Table 13 on page 27)
3RSTIN
VDD(INTF)
Card reset input from microcontroller; active high
4
VCC_SEL1
VDD(INTF)
VCC selection control signal 1.8 V, overrides VCC_SEL2 (see Table 13 on
page 27)
5CMDVCC
VDD(INTF)
Activation sequence start, input (from microcontroller, active low)
6
CLKDIV1
VDD(INTF)
CLK frequency division control input (together with CLKDIV2), see Table 12
on page 21 (ST8034HN)
CS
VDD(INTF)
Chip select input. High = device active, low = all microcontroller interface
pins in high impedance (ST8034HC)
7
CLKDIV2
VDD(INTF)
CLK frequency division control (together with CLKDIV1), see Table 12 on
page 21 (ST8034HN)
CLKDIV
VDD(INTF)
CLK frequency division control, see Table 12 on page 21 (ST8034HC)
8PRES
VDD(INTF)
Card presence input (active low: PRES low = card is present). Debounced.
9I/O
VCC
Card input/output data line (C7); internal 9 k
 pull-up resistor to VCC
10
AUX1
VCC
Auxiliary card input/output data line (C4); internal 9 k
 pull-up resistor to
VCC
11
AUX2
VCC
Auxiliary card input/output data line (C8); internal 9 k
 pull-up resistor to
VCC
12
GND
Ground
13
CLK
VCC
Clock to card (C3)
14
RST
VCC
Card reset, output (C2)
15
VCC
Supply voltage for the card, output (C1)
16
VDDP
LDO supply voltage input (for VCC generation)
17
VDD
Control logic supply voltage input
18
PORADJ
VDD(INTF)
Power-on reset threshold adjustment input (with an optional external
resistor divider)
19
OFF
VDD(INTF)
Interrupt to microcontroller (active low output); internal 20 k
 pull-up
resistor to VDD(INTF)
20
I/OUC
VDD(INTF)
Microcontroller data I/O line (with internal 10 k
 pull-up resistor connected
to VDD(INTF))
21
AUXUC1
VDD(INTF)
Auxiliary microcontroller input/output data line; internal 10 k
 pull-up
resistor to VDD(INTF)
22
AUXUC2
VDD(INTF)
Auxiliary microcontroller input/output data line; internal 10 k
 pull-up
resistor to VDD(INTF)
23
XTAL1
VDD
Crystal or external clock input
24
XTAL2
VDD
Crystal connection (leave this pin open if external clock is used)



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31


数据表 下载

Go To PDF Page


链接网址



ALLDATASHEET是否为您带来帮助?  [ DONATE ] 

关于 Alldatasheet   |   广告服务   |   联系我们   |   隐私政策   |   数据表链接    |   链接交换   |   制造商名单
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com