ST72F621L4M1 STMicroelectronics, ST72F621L4M1 Datasheet - Page 8

• 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

ST7262xxx
PIN DESCRIPTION (Cont’d)
Legend / Abbreviations:
Type:
Input level:
Input level:
Output level:
Port configuration capabilities:
Table 1. Device Pin Description
8/139
8
10 15 3
11 16 4
12 17 5
13 18 6
14 19 7
15 20
16 21 8
17
– Input:float = floating, wpu = weak pull-up, int = interrupt (\ =falling edge, / =rising edge
1
2
3
4
5 10 32 30
6 11 33 31
7 12 34 32
9 14 2
– Output: OD = open drain, T = true open drain (N buffer 8mA@0.4 V), PP = push-pull
ana = analog
13 1
6 29 28 9 14 V
7
8
9 31
-
Pin n°
-
-
-
-
1
2
3 11 16 OSCIN
4 12 17 OSCOUT
5
6
7 13 18
-
-
-
-
-
-
4
8 13 V
-
-
-
-
-
-
-
-
-
I = Input, O = Output, S = Supply
A = Dedicated analog input
C = CMOS 0.3V
C
HS = High Sink (on N-buffer only)
T
-
= CMOS 0.3V
9 V
-
-
-
-
-
-
-
-
-
PD1
PD0
PC7
PC6/MOSI
PC5/MISO/IT12
PC4/SS/IT11
PC3/SCK/IT10
PC2/IT9
PC1
PC0
PB7/PWM1/IT8/
RX_SEZ/DA-
TAOUT/DA9
N.C.
PP
SS
DD
Pin Name
DD
DD
/0.7V
/0.7V
DD
DD
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
I/O C
S
S
S
,
with input trigger
Level
T
T
T
T
T
T
T
T
T
T
T
Doc ID 6996 Rev 5
HS
x
x
x
Port / Control
Input
x
x
x
x
x
x
x
x
x
x
x
x
x
\
Output
T
T
x
x
x
x
x
x
x
x
x
Function
FLASH programming voltage
(12V), must be tied low in user
mode.
Port D1
Port D0
Port C7
Port C6
Port C5
Port C4
Port C3
Port C2
These pins are used connect an
external clock source to the on-
chip main oscillator.
Digital Ground Voltage
Digital Main Power Supply Volt-
age
Port C1
Port C0
Port B7
Not Connected
reset)
(after
Main
Alternate Function
SPI Master Out /
Slave In
SPI Master In /
Slave Out
Interrupt 12 input
SPI Slave Select
(active low)
Interrupt 11 input
SPI Serial Clock
Interrupt 10 input
Interrupt 9 input
ART PWM output 1/
Interrupt 8 input
)
,
1)
1)
1)
/
/
1)
/