ST72345C4 STMicroelectronics, ST72345C4 Datasheet - Page 132
ST72345C4
Manufacturer Part Number
ST72345C4
Description
8-bit MCU
Manufacturer
STMicroelectronics
Datasheet
1.ST72344S4.pdf
(247 pages)
Specifications of ST72345C4
Up To 16 Kbytes Program Memory
single voltage extended Flash (XFlash) with readout and write protection, in-circuit and inapplication programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention
256 Bytes Data Eeprom With Readout Protection. 300k Write/erase Cycles Guaranteed, Data Retention
20 years at 55 °C.
Clock Sources
crystal/ceramic resonator oscillators, high-accuracy internal RC oscillator or external clock
5 Power-saving Modes
Slow, Wait, Halt, Auto-wakeup from Halt and Active-halt
16-bit Timer A With
1 input capture, 1 output compares, external clock input, PWM and pulse generator modes
16-bit Timer B With
2 input captures, 2 output compares, PWM and pulse generator modes
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11.5.4
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Functional description
The block diagram of the Serial Control Interface, is shown in
dedicated registers:
●
●
●
●
●
Refer to the register descriptions in
Serial data format
Word length may be selected as being either 8 or 9 bits by programming the M bit in the
SCICR1 register (see
The TDO pin is in low state during the start bit.
The TDO pin is in high state during the stop bit.
An Idle character is interpreted as an entire frame of “1”s followed by the start bit of the next
frame which contains data.
A Break character is interpreted on receiving “0”s for some multiple of the frame period. At
the end of the last break frame the transmitter inserts an extra “1” bit to acknowledge the
start bit.
Transmission and reception are driven by their own baud rate generator.
2 control registers (SCICR1 and SCICR2)
A status register (SCISR)
A baud rate register (SCIBRR)
An extended prescaler receiver register
(SCIERPR)
An extended prescaler transmitter register
(SCIETPR)
Figure
64).
Doc ID 12321 Rev 5
Section 11.5.7
for the definitions of each bit.
Figure
ST72344xx ST72345xx
63. It contains six
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