ST72C334J2B6 STMicroelectronics, ST72C334J2B6 Datasheet - Page 43
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72C334J2B6
Manufacturer:
ST
Quantity:
507
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I/O PORTS (Cont’d)
12.4 LOW POWER MODES
Table 8. Port Configuration
WAIT
HALT
Mode
Port A
Port B
Port C
Port D
Port E
Port F
Port
No effect on I/O ports. External interrupts
cause the device to exit from WAIT mode.
No effect on I/O ports. External interrupts
cause the device to exit from HALT mode.
PA7:6
PA5:4
PA3
PA2:0
PB4:3
PB7:5, PB2:0
PC7:4, PC1:0
PC3:2
PD7:0
PE7:4
PF7:6
PF4
PF2
PF1:0
PE1:0
Pin name
Description
floating
floating
floating
floating
floating
floating
floating
floating
floating
floating
floating
floating
floating
floating
OR = 0
floating
Input
floating interrupt
floating interrupt
floating interrupt
pull-up interrupt
pull-up interrupt
pull-up interrupt
OR = 1
pull-up
pull-up
pull-up
pull-up
pull-up
pull-up
pull-up
pull-up
12.5 INTERRUPTS
The external interrupt event generates an interrupt
if the corresponding configuration is selected with
DDR and OR registers and the I-bit in the CC reg-
ister is reset (RIM instruction).
External interrupt on
selected external
event
Interrupt Event
ST72334J/N, ST72314J/N, ST72124J
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
open drain
OR = 0
true open-drain
Event
Flag
-
Output
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
push-pull
OR = 1
Control
Enable
DDRx
ORx
Bit
from
Wait
Exit
Yes
High-Sink
Yes
Yes
Yes
Yes
No
No
No
No
from
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Halt
Exit
Yes
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