ST72321R6 STMicroelectronics, ST72321R6 Datasheet - Page 98

• Manufacturer Part Number: ST72321R6
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH,10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE
• Manufacturer: STMicroelectronics

Specifications of ST72321R6

• Hdflash Endurance: 100 cycles, data retention
• Clock Sources: crystal/ceramic resonator oscillators, internal RC oscillator, clock security system and bypass for external clock
• Four Power Saving Modes: Halt, Active-Halt,Wait and Slow
• Main Clock Controller With: Real time base, Beep and Clock-out capabilities
• Two 16-bit Timers With: 2 input captures, 2 output compares, external clock input on one timer, PWM and pulse generator modes
• 8-bit Pwm Auto-reload Timer With: 2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector

ST72321Rx ST72321ARx ST72321Jx
SERIAL PERIPHERAL INTERFACE (Cont’d)
Table 20. SPI Register Map and Reset Values
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Address
(Hex.)
0021h
0022h
0023h
SPIDR
Reset Value
SPICR
Reset Value
SPICSR
Reset Value
Register
Label
SPIE
MSB
SPIF
7
x
0
0
WCOL
SPE
6
0
0
x
SPR2
OVR
5
0
0
x
MODF
MSTR
4
0
0
x
CPOL
3
0
x
x
CPHA
SOD
2
x
x
0
SPR1
SSM
1
x
x
0
SPR0
LSB
SSI
0
0
x
x