ST72F621L4M1 STMicroelectronics, ST72F621L4M1 Datasheet - Page 35

• 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

I/O PORTS (Cont’d)
9.2.6 Port B
Table 10. Port B Description
Figure 27. Port B and Port C [7:2] Configuration
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
*Reset State
PORT B
ALTERNATE INPUT
floating
floating
floating
floating
floating
floating
floating
floating
DR SEL
DDR SEL
LATCH
Input*
LATCH
DDR
DR
ALTERNATE
OUTPUT
I/O
1
0
push-pull (high sink)
push-pull (high sink)
push-pull (high sink)
push-pull (high sink)
push-pull (high sink)
push-pull (high sink)
push-pull (high sink)
push-pull (high sink)
1
0
Output
ALTERNATE ENABLE
ALTERNATE ENABLE
ALTERNATE ENABLE
Doc ID 6996 Rev 5
MCO (Main Clock Output)
RDI
TDO
ARTCLK
ARTIC1
IT5 Schmitt triggered input IT5E = 1 (ITRFRE1)
ARTIC2
IT6 Schmitt triggered input IT6E = 1 (ITRFRE1)
PWM1
IT7 Schmitt triggered input IT7E = 1 (ITRFRE1)
PWM2
IT8 Schmitt triggered input IT8E = 1 (ITRFRE1)
CMOS SCHMITT TRIGGER
Signal
* PULL-UP ON PORT C [7:2] ONLY
Alternate Function
PULL-UP*
V
SS
V
N-BUFFER
P-BUFFER
DD
MCO = 1 (MISCR)
SCI enabled
TE = 1 (SCICR2)
EXCL = 1 (ARTCSR)
ART Timer enabled
ART Timer enabled
OE0 = 1 (PWMCR)
OE1 = 1 (PWMCR)
Condition
V
DD
ST7262xxx
DIODES
PAD
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