ST72F321BAR6T6 STMicroelectronics, ST72F321BAR6T6 Datasheet - Page 150
![MCU 8BIT 32KB FLASH/ROM 64-LQFP](/photos/12/15/121504/stmicroelectronics-64-lqfp_sml.jpg)
ST72F321BAR6T6
Manufacturer Part Number
ST72F321BAR6T6
Description
MCU 8BIT 32KB FLASH/ROM 64-LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST72F321BK6T6.pdf
(187 pages)
Specifications of ST72F321BAR6T6
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
48
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
3.8 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Processor Series
ST72F3x
Core
ST7
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
I2C, SCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
48
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ST7232X-EVAL, ST7232X-SK/RAIS, ST72321B-D/RAIS, ST7MDT20-DVP3, ST7MDT20J-EMU3, ST7MDT20M-EMU3, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
For Use With
497-5046 - KIT TOOL FOR ST7/UPSD/STR7 MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
497-5582
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST72F321BAR6T6
Manufacturer:
STMicroelectronics
Quantity:
10 000
- Current page: 150 of 187
- Download datasheet (4Mb)
ST72321BRx, ST72321BARx ST72321BJx, ST72321BKx
CLOCK CHARACTERISTICS (Cont’d)
Note:
1. Data based on characterization results.
12.5.5 PLL Characteristics
Note:
1. Data characterized but not tested.
The user must take the PLL jitter into account in the application (for example in serial communication or
sampling of high frequency signals). The PLL jitter is a periodic effect, which is integrated over several
CPU cycles. Therefore the longer the period of the application signal, the less it will be impacted by the
PLL jitter.
Figure 77
cies of less than 125KHz, the jitter is negligible.
Figure 77. Integrated PLL Jitter vs signal frequency
Note 1: Measurement conditions: f
150/187
f
Δ f
OSC
Symbol
CPU
+/-Jitter (%)
/ f
1.2
0.8
0.6
0.4
0.2
CPU
1
0
shows the PLL jitter integrated on application signals in the range 125kHz to 4MHz. At frequen-
4 MHz
PLL input frequency range
Instantaneous PLL jitter
2 MHz
Parameter
Application Frequency
1 MHz 500 kHz 250 kHz 125 kHz
1)
CPU
= 8MHz.
FLASH typ
ROM max
ROM typ
f
OSC
= 4 MHz.
Conditions
1
Min
2
Typ
0.7
Max
4
2
MHz
Unit
%
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