ST72345C4 STMicroelectronics, ST72345C4 Datasheet - Page 211

• Manufacturer Part Number: ST72345C4
• Description: 8-bit MCU
• Manufacturer: STMicroelectronics

Specifications of ST72345C4

• Up To 16 Kbytes Program Memory: single voltage extended Flash (XFlash) with readout and write protection, in-circuit and inapplication programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention
• 256 Bytes Data Eeprom With Readout Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55 °C.
• Clock Sources: crystal/ceramic resonator oscillators, high-accuracy internal RC oscillator or external clock
• 5 Power-saving Modes: Slow, Wait, Halt, Auto-wakeup from Halt and Active-halt
• 16-bit Timer A With: 1 input capture, 1 output compares, external clock input, PWM and pulse generator modes
• 16-bit Timer B With: 2 input captures, 2 output compares, PWM and pulse generator modes

ST72344xx ST72345xx
Table 99.
1. Resonator characteristics given by the ceramic resonator manufacturer. For more information on these resonators, please
2. () means load capacitor built in resonator.
3. SMD = [-R0: Plastic tape package (Ø =180mm), -B0: Bulk]
Figure 97. Typical application with a crystal or ceramic resonator
Supplier
Murata
consult Murata’s web site.
LEAD = [-B0: Bulk].
When resonator with
integrated capacitors
[MHz]
f
OSC
16
Recommended load capacitance vs. equivalent serial resistance of ceramic
resonator
2
4
8
LEAD
Type
Typical ceramic resonators
LEAD
LEAD
SMD
SMD
SMD
SMD
(3)
C L2
CSTLS16M0X53Z-B0
CSTCC2M00G56Z-R0
CSTCR4M00G55Z-R0
CSTCE8M00G52Z-R0
CSTCE16M0V51Z-R0
CSTLS4M00G56Z-B0
CSTLS8M00G53Z-B0
C L1
Reference
Resonator
Doc ID 12321 Rev 5
(1)
OSC2
OSC1
(15)
CL1
[pF]
(47)
(39)
(47)
(10)
(15)
(5)
(2)
R F
(15)
CL2
[pF]
(47)
(39)
(47)
(10)
(15)
(5)
V DD
Ref
(2)
/2
6.8 k
Open
Open
Open
Open
Open
Open
RF
[Ω]
i 2
AMPLIFIER
LINEAR
0
Rd
[Ω]
0
0
0
0
0
0
3.4 to 5.5
Electrical characteristics
f OSC
range (V)
2.7 to 5.5
3.3 to 5.5
voltage
Supply
FEEDBACK
LOOP
ST72XXX
POWER DOWN
–40 °C to 85 °C
Temperature
LOGIC
range (°C)
211/247