
Electrical characteristics ST72321xx-Auto
210/243 Doc ID 13829 Rev 1
Figure 92. Two typical applications with ICCSEL/V
PP
pin
(1)
1. When ICC mode is not required by the application, the ICCSEL/V
PP
pin must be tied to V
SS
.
19.10 Timer peripheral characteristics
Subject to general operating conditions for V
DD
, f
OSC
, and T
A
unless otherwise specified.
Refer to Section 19.8: I/O port pin characteristics for more details on the input/output
alternate function characteristics (such as output compare, input capture, external clock, or
PWM output).
ICCSEL/V
PP
ST72XXX
10k
PROGRAMMING
TOOL
V
PP
ST72XXX
Table 130. 8-bit PWM-ART auto-reload timer characteristics
Symbol Parameter Conditions Min Typ Max Unit
t
res(PWM)
PWM resolution time
1t
CPU
f
CPU
=8MHz 125 ns
f
EXT
ART external clock frequency
0f
CPU
/2 MHz
f
PWM
PWM repetition rate
Res
PWM
PWM resolution 8 bit
V
OS
PWM/DAC output step voltage
V
DD
=5V,
Resolution = 8 bits
20 mV
Table 131. 16-bit timer characteristics
Symbol Parameter Conditions Min Typ Max Unit
t
w(ICAP)in
Input capture pulse time 1 t
CPU
t
res(PWM)
PWM resolution time
2t
CPU
f
CPU
= 8 MHz 250 ns
f
EXT
Timer external clock frequency
0f
CPU
/4 MHz
f
PWM
PWM repetition rate
Res
PWM
PWM resolution 16 bit
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