ST72C334J2B6 STMicroelectronics, ST72C334J2B6 Datasheet - Page 137

• Manufacturer Part Number: ST72C334J2B6
• Description: 8-bit Microcontrollers - MCU Flash 8K SPI/SCI
• Manufacturer: STMicroelectronics

Specifications of ST72C334J2B6

• Product Category: 8-bit Microcontrollers - MCU
• Core: ST7
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Program Memory Size: 8 KB
• Data Ram Size: 384 B
• On-chip Adc: Yes
• Operating Supply Voltage: 3.2 V to 5.5 V
• Package / Case: SDIP-42
• Mounting Style: Through Hole
• A/d Bit Size: 8 bit
• A/d Channels Available: 8
• Data Rom Size: 256 B
• Interface Type: SCI, SPI
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 32
• Number Of Timers: 4 bit
• Program Memory Type: Flash
• Factory Pack Quantity: 13
• Supply Voltage - Max: 5 V
• Supply Voltage - Min: 3.2 V

COMMUNICATIONS INTERFACE CHARACTERISTICS (Cont’d)
16.11.2 SCI - Serial Communications Interface
Subject to general operating condition for V
SC
Refer to I/O port characteristics for more details on
the input/output alternate function characteristics
(RDI and TDO).
Symbol
f
f
Tx
Rx
, and T
A
Communication frequency 8MHz
unless otherwise specified.
Parameter
f
CPU
vs. Standard
~0.16%
~0.79%
Accuracy
DD
, f
O-
Conditions
Conventional Mode
TR (or RR)=64, PR=13
TR (or RR)=16, PR=13
TR (or RR)= 8, PR=13
TR (or RR)= 4, PR=13
TR (or RR)= 2, PR=13
TR (or RR)= 8, PR= 3
TR (or RR)= 1, PR=13
Extended Mode
ETPR (or ERPR) = 13
Extended Mode
ETPR (or ERPR) = 35
ST72334J/N, ST72314J/N, ST72124J
Prescaler
Standard
10400
19200
38400 ~38461.54
14400 ~14285.71
1200
2400
4800
9600
300
~10416.67
~19230.77
~1201.92
~2403.84
~4807.69
~9615.38
Baud
~300.48
Rate
137/153
Unit
Hz