ST92T163R4T1 STMicroelectronics, ST92T163R4T1 Datasheet - Page 152
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ST92T163R4T1
Manufacturer Part Number
ST92T163R4T1
Description
Microcontrollers (MCU) OTP EPROM 20K USB/I2
Manufacturer
STMicroelectronics
Datasheet
1.ST92T163R4T1.pdf
(224 pages)
Specifications of ST92T163R4T1
Data Bus Width
8 bit, 16 bit
Program Memory Type
EPROM
Program Memory Size
20 KB
Data Ram Size
2 KB
Interface Type
I2C, SCI, USB
Maximum Clock Frequency
24 MHz
Number Of Programmable I/os
64
Number Of Timers
2
Operating Supply Voltage
4 V to 5.5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Package / Case
TQFP-64
Minimum Operating Temperature
0 C
On-chip Adc
8 bit
Lead Free Status / Rohs Status
No
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Part Number:
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Part Number:
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ST92163 - SERIAL COMMUNICATIONS INTERFACE (SCI)
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
8.4.3 SCI Operating Modes
8.4.3.1 Asynchronous Mode
In this mode, data and clock can be asynchronous
(the transmitter and receiver can use their own
clocks to sample received data), each data bit is
sampled 16 times per clock period.
The baud rate clock should be set to the 16 Mode
and the frequency of the input clock (from an ex-
ternal source or from the internal baud-rate gener-
ator output) is set to suit.
Figure 73. Sampling Times in Asynchronous Format
152/224
SDIN
rcvck
rxclk
LEGEND:
SIN:
rcvck:
rxd:
rxclk:
rxd
Serial Data Input line
Internal X16 Receiver Clock
Internal Serial Data Input Line
Internal Receiver Shift Register Sampling Clock
0
1
2
3
4
5
8.4.3.2 Asynchronous Mode with Synchronous
Clock
In this mode, data and clock are synchronous,
each data bit is sampled once per clock period.
For transmit operation, a general purpose I/O port
pin can be programmed to output the CLKOUT
signal from the baud rate generator. If the SCI is
provided with an external transmission clock
source, there will be a skew equivalent to two
INTCLK periods between clock and data.
Data will be transmitted on the falling edge of the
transmit clock. Received data will be latched into
the SCI on the rising edge of the receive clock.
7
8
9
10
11
12
13
14
15
VR001409
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