ST72F621L4M1 STMicroelectronics, ST72F621L4M1 Datasheet - Page 82

• 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
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Table 22. SCI Register Map and Reset Values
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Address
(Hex.)
1D
1E
20
21
22
23
24
SCIERPR
Reset Value
SCIETPR
Reset Value
SCISR
Reset Value
SCIDR
Reset Value
SCIBRR
Reset Value
SCICR1
Reset Value
SCICR2
Reset Value
Register
Name
ERPR7
ETPR7
TDRE
SCP1
DR7
TIE
R8
7
0
0
1
0
0
x
x
ERPR6
ETPR6
SCP0
TCIE
DR6
TC
T8
6
0
0
1
0
0
0
x
ERPR5
ETPR5
RDRF
SCT2
SCID
Doc ID 6996 Rev 5
DR5
RIE
5
0
0
0
0
0
0
x
ERPR4
ETPR4
SCT1
IDLE
DR4
ILIE
M
4
0
0
0
x
0
0
0
ERPR3
ETPR3
WAKE
SCT0
DR3
OR
TE
3
0
0
0
x
0
0
0
ERPR2
ETPR2
SCR2
DR2
PCE
NF
RE
2
0
0
0
x
0
0
0
ERPR1
ETPR1
SCR1
RWU
DR1
PS
FE
1
0
0
0
x
0
0
0
ERPR0
ETPR0
SCR0
DR0
SBK
PIE
PE
0
0
0
0
x
0
0
0