ST72C334J2B6 STMicroelectronics, ST72C334J2B6 Datasheet - Page 135
ST72C334J2B6
Manufacturer Part Number
ST72C334J2B6
Description
8-bit Microcontrollers - MCU Flash 8K SPI/SCI
Manufacturer
STMicroelectronics
Datasheet
1.ST72C334J2B6.pdf
(153 pages)
Specifications of ST72C334J2B6
Product Category
8-bit Microcontrollers - MCU
Core
ST7
Data Bus Width
8 bit
Maximum Clock Frequency
8 MHz
Program Memory Size
8 KB
Data Ram Size
384 B
On-chip Adc
Yes
Operating Supply Voltage
3.2 V to 5.5 V
Package / Case
SDIP-42
Mounting Style
Through Hole
A/d Bit Size
8 bit
A/d Channels Available
8
Data Rom Size
256 B
Interface Type
SCI, SPI
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
32
Number Of Timers
4 bit
Program Memory Type
Flash
Factory Pack Quantity
13
Supply Voltage - Max
5 V
Supply Voltage - Min
3.2 V
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72C334J2B6
Manufacturer:
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Quantity:
507
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16.11 COMMUNICATION INTERFACE CHARACTERISTICS
16.11.1 SPI - Serial Peripheral Interface
Subject to general operating conditions for V
f
Figure 95. SPI Slave Timing Diagram with CPHA=0
Notes:
1. Data based on design simulation and/or characterisation results, not tested in production.
2. When no communication is on-going the data output line of the SPI (MOSI in master mode, MISO in slave mode) has
its alternate function capability released. In this case, the pin status depends on the I/O port configuration.
3. Measurement points are done at CMOS levels: 0.3xV
OSC
1/t
Symbol
t
t
w(SCKH)
w(SCKL)
t
t
t
t
t
t
dis(SO)
t
t
t
t
t
t
r(SCK)
f(SCK)
su(SS)
t
su(MI)
t
v(MO)
h(MO)
f
su(SI)
a(SO)
h(SO)
MISO
MOSI
h(SS)
v(SO)
h(MI)
, and T
SCK
c(SCK)
h(SI)
SS
CPHA=0
CPOL=0
CPHA=0
CPOL=1
OUTPUT
INPUT
INPUT
A
SPI clock frequency
SPI clock rise and fall time
SS setup time
SS hold time
SCK high and low time
Data input setup time
Data input hold time
Data output access time
Data output disable time
Data output valid time
Data output hold time
Data output valid time
Data output hold time
unless otherwise specified.
see note 2
t
a(SO)
t
su(SS)
t
su(SI)
Parameter
MSB IN
t
t
w(SCKH)
w(SCKL)
MSB OUT
t
t
h(SI)
c(SCK)
t
DD
v(SO)
DD
,
Master
Slave
Slave
Slave
Master
Slave
Master
Slave
Master
Slave
Slave
Slave (after enable edge)
Master (before capture edge)
Slave
BIT6 OUT
and 0.7xV
Refer to I/O port characteristics for more details on
the input/output alternate function characteristics
(SS, SCK, MOSI, MISO).
3)
Conditions
DD
ST72334J/N, ST72314J/N, ST72124J
BIT1 IN
.
t
h(SO)
f
f
CPU
CPU
=8MHz
=8MHz
t
t
r(SCK)
f(SCK)
f
CPU
LSB IN
0.0625
see I/O port pin description
0.25
0.25
Min
120
120
100
100
100
100
100
90
LSB OUT
0
0
0
/128
t
h(SS)
f
f
CPU
CPU
Max
120
240
120
2
4
/4
/2
t
dis(SO)
135/153
Unit
t
MHz
CPU
ns
note 2
see
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