ST72C334N2B6 STMicroelectronics, ST72C334N2B6 Datasheet - Page 43
ST72C334N2B6
Manufacturer Part Number
ST72C334N2B6
Description
Microcontrollers (MCU) Flash 8K SPI/SCI
Manufacturer
STMicroelectronics
Datasheet
1.ST72C334N2T6.pdf
(126 pages)
Specifications of ST72C334N2B6
Data Bus Width
8 bit
Program Memory Type
Flash
Program Memory Size
8 KB
Data Ram Size
384 B
Interface Type
SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
44
Number Of Timers
16 bit
Operating Supply Voltage
3.2 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
Package / Case
SDIP-56
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit
Lead Free Status / Rohs Status
No
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72C334N2B6
Manufacturer:
ST
Quantity:
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I/O PORTS (Cont’d)
Figure 32. I/O Block Diagram
Table 8. Port Mode Options
Legend:NI - not implemented
Input
Output
EXTERNAL
INTERRUPT
SOURCE (EIx)
Off - implemented not activated
On - implemented and activated
DDR SEL
OR SEL
DR SEL
Floating with/without Interrupt
Pull-up with/without Interrupt
Push-pull
Open Drain (logic level)
True Open Drain
Configuration Mode
DDR
OR
DR
POLARITY
SELECTION
ALTERNATE
OUTPUT
ALTERNATE
ENABLE
If implemented
1
0
FROM
OTHER
BITS
1
0
Pull-Up
Off
On
Off
NI
Note: the diode to V
true open drain pads. A local protection between
the pad and V
vice against positive stress.
ST72334J/N, ST72314J/N, ST72124J
N-BUFFER
PULL-UP
CONDITION
P-Buffer
Off
On
Off
NI
SS
SCHMITT
TRIGGER
CMOS
is implemented to protect the de-
V
DD
DD
NI (see note)
is not implemented in the
to V
On
DD
P-BUFFER
(see table below)
V
Diodes
DD
DIODES
(see table below)
PULL-UP
(see table below)
ALTERNATE
ANALOG
to V
INPUT
INPUT
On
PAD
43/125
SS
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