ST72321R9 STMicroelectronics, ST72321R9 Datasheet - Page 172

• Manufacturer Part Number: ST72321R9
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH,10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE
• Manufacturer: STMicroelectronics

Specifications of ST72321R9

• Hdflash Endurance: 100 cycles, data retention
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator, clock security system 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, external clock input on one timer, PWM and pulse generator modes
• 8-bit Pwm Auto-reload Timer With: 2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector

ST72321Rx ST72321ARx ST72321Jx
PACKAGE MECHANICAL DATA (Cont’d)
Figure 103. 44-Pin Low Profile Quad Flat Package
Figure 104. 32-Pin Low Profile Quad Flat Package
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D1
D
D1
D
E1
E1
E
E
L1
L1
A1
L
b
e
e
b
L
A1
A2
A
h
c
A2
A
h
c
Note 1. Values in inches are converted from mm
and rounded to 4 decimal digits.
Dim.
A1
A2
D1
E1
L1
A
C
D
N
b
E
L
e
θ
Note 1. Values in inches are converted from mm
and rounded to 4 decimal digits.
Dim.
A1
A2
D1
E1
L1
A
C
D
N
b
E
L
e
θ
0.05
1.35 1.40 1.45 0.0531 0.0551 0.0571
0.30 0.37 0.45 0.0118 0.0146 0.0177
0.09
0.45 0.60 0.75 0.0177 0.0236 0.0295
Min
0°
0.05
1.35 1.40 1.45 0.0531 0.0551 0.0571
0.30 0.37 0.45 0.0118 0.0146 0.0177
0.09
0.45 0.60 0.75 0.0177 0.0236 0.0295
Min
0°
12.00
10.00
12.00
10.00
0.80
1.00
mm
Typ
3.5°
9.00
7.00
9.00
7.00
0.80
1.00
mm
Typ
3.5°
Number of Pins
Max
1.60
0.15 0.0020
0.20 0.0035
7°
Number of Pins
Max
1.60
0.15 0.0020
0.20 0.0035
7°
44
Min
0°
32
Min
0°
inches
0.4724
0.3937
0.4724
0.3937
0.0315
0.0394
3.5°
Typ
inches
0.3543
0.2756
0.3543
0.2756
0.0315
0.0394
Typ
3.5°
1)
0.0059
0.0079
0.0630
Max
1)
7°
0.0059
0.0630
0.0079
Max
7°