C8051F340-GQR Silicon Laboratories Inc, C8051F340-GQR Datasheet - Page 219

• Manufacturer Part Number: C8051F340-GQR
• Description: MCU 8-Bit C8051F34x 8051 CISC 64KB Flash 3.3V/5V 48-Pin TQFP T/R
• Manufacturer: Silicon Laboratories Inc

Specifications of C8051F340-GQR

• Package: 48TQFP
• Device Core: 8051
• Family Name: C8051F34x
• Maximum Speed: 48 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 40
• Interface Type: I2C/SMBus/SPI/UART/USB
• On-chip Adc: 17-chx10-bit
• Number Of Timers: 4
• Ram Size: 4.25 KB
• Program Memory Size: 64 KB
• Program Memory Type: Flash
• Operating Temperature: -40 to 85 °C

Bit7:
Bits6–5: S1PT[1:0]: Parity Type.
Bit4:
Bits3–2: S1DL[1:0]: Data Length.
Bit1:
Bit0:
MCE1
R/W
Bit7
MCE1: Multiprocessor Communication Enable.
0: RI will be activated if stop bit(s) are ‘1’.
1: RI will be activated if stop bit(s) and extra bit are ‘1’ (extra bit must be enabled using
XBE1).
Note: This function is not available when hardware parity is enabled.
00: Odd
01: Even
10: Mark
11: Space
PE1: Parity Enable.
This bit activates hardware parity generation and checking. The parity type is selected by
bits S1PT1-0 when parity is enabled.
0: Hardware parity is disabled.
1: Hardware parity is enabled.
00: 5-bit data
01: 6-bit data
10: 7-bit data
11: 8-bit data
XBE1: Extra Bit Enable
When enabled, the value of TBX1 will be appended to the data field.
0: Extra Bit Disabled.
1: Extra Bit Enabled.
SBL1: Stop Bit Length
0: Short - Stop bit is active for one bit time.
1: Long - Stop bit is active for two bit times (data length = 6, 7, or 8 bits), or 1.5 bit times
(data length = 5 bits).
S1PT1
R/W
Bit6
SFR Definition 19.2. SMOD1: UART1 Mode
S1PT0
R/W
Bit5
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
PE1
R/W
Bit4
Rev. 1.3
S1DL1
R/W
Bit3
S1DL0
R/W
Bit2
XBE1
R/W
Bit1
SFR Address:
SBL1
R/W
Bit0
0xE5
00001100
Reset Value
219