st72324bk STMicroelectronics, st72324bk Datasheet - Page 125

• Manufacturer Part Number: st72324bk
• Description: 3 V/5 V Range 8-bit Mcu With 4/8 Kbyte Rom, 10-bit Adc, Four Timers And Spi
• Manufacturer: STMicroelectronics

ST72323 ST72323L
11.5.2
11.6
11.6.1
Figure 65. Typical application with a crystal or ceramic resonator
Table 71.
1. Resonator characteristics given by the ceramic resonator manufacturer.
2. SMD = [-R0: Plastic tape package (∅ =180 mm), -B0: Bulk]
RC oscillators
Table 72.
1. To reduce disturbance to the RC oscillator, it is recommended to place decoupling capacitors between
Memory characteristics
RAM and hardware registers
Table 73.
1. Minimum V
f
(RCINT)
Symbol
When resonator with
integrated capacitors
CPU
Symbol
Supplier
LEAD = [-A0: Flat pack package (Radial taping Ho= 18 mm), -B0: Bulk]
V
V
hardware registers (only in Halt mode). Not tested in production.
Murata
DD
RM
and V
CPU frequency with
internal RC oscillator
Data retention mode
SS
DD
Typical resonator selection
RC oscillators
RAM and hardware registers
.
Parameter
supply voltage without losing data stored in RAM (in Halt mode or under Reset) or in
f
OSC
C
Parameter
L2
16
2
4
8
(MHz)
C
L1
(1)
(1)
T
T
T
CSTCC2M00G56A-R0
CSTCR4M00G55B-R0
CSTCE8M00G52A-R0
CSTCE16M0V51A-R0
A
A
A
Resonator
= 0 to 70 °C, V
= –10 to 85 °C, V
= –40 to 125 °C, V
Halt mode (or Reset)
OSC2
OSC1
Conditions
Conditions
DD
Typical ceramic resonators
DD
R
= 3 V to 3.6 V
DD
F
= 4.5 V to 5.5 V
V
= 4.5 V to 5.5 V TBD
Ref
DD
Reference
/2
i
2
amplifier
Linear
Min
1.6
(2)
Electrical characteristics
Min
6
6
Typ
f
OSC
Feedback
(1)
loop
Typ
7
7
7
Max
8
8
TBD
Max Unit
ST72XXX
Power down
logic
125/167
Unit
MHz
MHz
V