ST72C334N2B6 STMicroelectronics, ST72C334N2B6 Datasheet - Page 82

• Manufacturer Part Number: ST72C334N2B6
• Description: Microcontrollers (MCU) Flash 8K SPI/SCI
• Manufacturer: STMicroelectronics

Specifications of ST72C334N2B6

• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 8 KB
• Data Ram Size: 384 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 44
• Number Of Timers: 16 bit
• Operating Supply Voltage: 3.2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Package / Case: SDIP-56
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / Rohs Status: No

ST72334J/N, ST72314J/N, ST72124J
SERIAL PERIPHERAL INTERFACE (Cont’d)
Table 17. SPI Register Map and Reset Values
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Address
(Hex.)
0021h
0022h
0023h
SPIDR
Reset Value
SPICR
Reset Value
SPISR
Reset Value
Register
Label
SPIE
MSB
SPIF
7
x
0
0
WCOL
SPE
6
0
0
x
SPR2
5
x
0
0
MODF
MSTR
4
0
0
x
CPOL
3
0
x
x
CPHA
2
x
x
0
SPR1
1
0
x
x
SPR0
LSB
0
0
x
x