ST72F621L4M1 STMicroelectronics, ST72F621L4M1 Datasheet - Page 107

• Manufacturer Part Number: ST72F621L4M1
• Description: IC MCU 8BIT LS 16K 34-SOIC
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F621L4M1

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI, USB
• Peripherals: DMA, LVD, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 34-SOIC (7.5mm Width)
• Processor Series: ST72F6x
• Core: ST7
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: SCI, SPI, USB
• Maximum Clock Frequency: 12 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 2
• Operating Supply Voltage: 4 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• On-chip Adc: 10 bit
• 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: In Transition
• Other names: 497-2112-5

12.6 MEMORY CHARACTERISTICS
Subject to general operating conditions for f
12.6.1 RAM and Hardware Registers
Note 1: Guaranteed by design. Not tested in production.
12.6.2 FLASH Memory
Operating Conditions: f
Note:
1. Refer to the Flash Programming Reference Manual for the typical HDFlash programming and erase tim-
ing values.
Figure 60. Two typical Applications with V
Note 1: When the ICP mode is not required by the application, V
DUAL VOLTAGE FLASH MEMORY
Symbol
Symbol
N
f
V
t
t
V
CPU
I
VPP
RET
PP
RM
RW
PP
Data retention mode
Operating Frequency
Programming Voltage
V
Internal V
Data Retention
Write Erase Cycles
PP
Current
V
PP
PP
Parameter
Parameter
Stabilization Time
ST72XXX
CPU
= 8 MHz.
1)
1)
CPU
HALT mode (or RESET)
Read mode
Write / Erase mode,
T
4.0V <= V
Write / Erase
T
T
PP
A
A
A
=25°C
=25°C
≤ 55°C
, and T
PROGRAMMING
Pin
Doc ID 6996 Rev 5
Conditions
Conditions
1)
TOOL
DD
A
<= 5.5V
unless otherwise specified.
PP
pin must be tied to V
11.4
Min
Min
100
2.0
40
SS
10kΩ
.
Typ
Typ
10
V
PP
Max
Max
12.6
30
8
8
ST72XXX
107/139
cycles
years
MHz
Unit
Unit
mA
µs
V
V