ST72334J4 STMicroelectronics, ST72334J4 Datasheet - Page 43
ST72334J4
Manufacturer Part Number
ST72334J4
Description
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
Manufacturer
STMicroelectronics
Datasheet
1.ST72124J2.pdf
(153 pages)
Specifications of ST72334J4
Clock Sources
crystal/ceramic resonator oscillators or RC oscillators, external clock, backup Clock Security System
4 Power Saving Modes
Halt, Active-Halt, Wait and Slow
Two 16-bit Timers With
2 input captures (only one on timer A), 2 output compares (only one on timer A), External clock input on timer A, PWM and Pulse generator modes
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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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