ST7232AK2-Auto STMicroelectronics, ST7232AK2-Auto Datasheet - Page 161

• Manufacturer Part Number: ST7232AK2-Auto
• Description: 8-bit MCU for automotive, 16 Kbyte Flash, 10-bit ADC, 4 timers, SPI, SCI
• Manufacturer: STMicroelectronics

Specifications of ST7232AK2-Auto

• Hdflash Endurance: 100 cycles, data retention
• Clock Sources: crystal/ceramic resonator oscillators and bypass for external clock
• Four Power Saving Modes: halt, active halt, wait and slow
• Main Clock Controller With: real time base, beep and clock-out capabilities
• Two 16-bit Timers With: 2 input captures, 2 output compares, PWM and pulse generator modes

ST7232Axx-Auto
12.5.2
External clock source
Table 77.
1. Data based on design simulation and/or technology characteristics, not tested in production.
Figure 65. Typical application with an external clock source
V
V
t
t
OSC1H
OSC1L
Symbol
w(OSC1H)
w(OSC1L)
V
V
t
t
r(OSC1)
f(OSC1)
OSC1H
OSC1L
External clock source
I
lkg
External clock source
OSC1 input pin high level voltage
OSC1 input pin low level voltage
OSC1 high or low time
OSC1 rise or fall time
OSC1 Input leakage current
t
r(OSC1)
Parameter
t
f(OSC1)
(1)
(1)
OSC2
OSC1
90%
10%
V
see
SS
Conditions
t
Not connected internally
w(OSC1H)
≤ V
Figure 65
IN
≤ V
DD
I
lkg
t
V
w(OSC1L)
DD
Min
V
5
SS
Electrical characteristics
- 1
f
OSC
Typ
ST72XXX
V
Max
SS
V
15
±1
DD
+ 1
161/201
Unit
µA
ns
V