ST52F513G3M6 STMicroelectronics, ST52F513G3M6 Datasheet - Page 87

• Manufacturer Part Number: ST52F513G3M6
• Manufacturer: STMicroelectronics

Specifications of ST52F513G3M6

• Cpu Family: ST52
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: I2C/SCI/SPI
• Program Memory Type: Flash
• Program Memory Size: 8KB
• Total Internal Ram Size: 256Byte
• # I/os (max): 22
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Package Type: SO
• Lead Free Status / Rohs Status: Compliant

13.4.2 SCI Input Registers.
SCI RX data Input Register (SCI_IN)
Input Register 36 (024h) Read only
Reset Value: 0000 0000 (00h)
Bit 7-0: RX7-0 RX Data
In this register the last received serial data can be
read.
SCI Status Register (SCI_STATUS)
Input Register 37 (025h) Read only
Reset Value: 0000 0011 (03h)
Bit 7: NSERR Noise error
Bit 6: FRERR Frame error
Bit 5: RXF RX data register full
NSERR FRERR
RX7
7
7
0: noise error not occurred
1: noise error occurred
0: frame error not occurred
1: frame error occurred
0: RX data register already read
1: RX data register full but not read yet
RX6
RX5
RXF
OVERR
RX4
RX3
-
RX2
R8
TXEM
RX1
TXEND
RX0
0
0
Bit 4: OVERR Overrun error
Bit 3: not used
Bit 2: R8 Received 9th bit
Bit 1: TXEM TX data register empty
Bit 0: TXEND TX end flag
13.4.3 SCI Output Register.
SCI TX data Output Register (SCI_OUT)
Output Register 23 (017h) Write only
Reset Value: 0000 0000 (00h)
Bit 7-0: TX7-0 TX Data
In this register the serial data to be transmitted can
be written.
TX7
7
0: overrun error not occurred
1: overrun error occurred
0: RX 9th bit=0
1: RX 9th bit=1
0: TX data register full
1: TX data register empty
0: data transferred to the shift register
1: data transmission completed
TX6
TX5
TX4
ST52510xx ST52513xx
TX3
TX2
TX1
87/136
TX0
0