参数资料
型号: ST72652AR4T1/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PQFP64
封装: 10 X 10 MM, ROHS COMPLIANT, TQFP-64
文件页数: 35/161页
文件大小: 2656K
代理商: ST72652AR4T1/XXX
ST72651AR6
13/161
Doc ID 7215 Rev 4
Figure 7. Smartmedia Card Writer Or Flash Drive Application Example
Table 2. SmartMedia Interface Pin Assignment
(1): This line shows if the ST72F65 pin is controlled by the
ST7 core or the DTC.
(2): These lines are not controlled by the DTC but by the
user software running on the ST7 core. The ST72F65 pin
choice is at customer discretion. The pins shown here are
only shown as an example.
(3): When a single card is to be handled, PA7 is free for
other functions. When 2 Smartmedia are to be handled,
pins from both cards should be tied together (i.e. CLE1
with CLE2...) except for the CE pins. CE pin from card 1
should be connected to PA6 and CE pin from card 2
should be connect to PA7. Selection of the operating card
is done by ST7 software.
(4) As this is a single power supply application, the US-
BEN function in not needed. Thus PF4/USBEN pin can be
used as a normal I/O by configuring it as such by the op-
tion byte.
DTC
FLASH
VDDF
VPP
VDD
POWER
MANAGEMENT
100nF
12V for
level translator
Flash prog.
REGULATOR
I/O
LOGIC
UP TO 2
SMARTMEDIA
CARDS
PA
PB
VDD
8
6
I/O
0~7
CTRL
(4)
2
PE
VCC
USB
DP
DM
USBVDD
USB Port
GND
USB
4.7
μF
USBVDD
USB
5V
DP
DM
GND
=4.0-5.5V
100nF
1.5K
Ω
LED2
LED1
(connect to
GND if
not used)
5
1
SmartMedia Pin
I/O0~7
CLE
WE
ALE
RE
R/B
WP(2)
CE1(2)
CE2(2)(3)
ST72F65 pin
PB0-7
PA0
PA1
PA2
PA3
PA4
PA7
PE1
PE0
ST7 / DTC (1)
DTC
ST7
1
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