COP8SDE9IMT9/NOPB National Semiconductor, COP8SDE9IMT9/NOPB Datasheet - Page 39

• Manufacturer Part Number: COP8SDE9IMT9/NOPB
• Description: IC MCU EEPROM 8BIT 8K 48-TSSOP
• Manufacturer: National Semiconductor
• Series: COP8™ 8Sr

Specifications of COP8SDE9IMT9/NOPB

• Core Processor: COP8
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: Microwire/Plus (SPI), UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 39
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 48-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Other names: *COP8SDE9IMT9; *COP8SDE9IMT9/NOPB; COP8SDE9IMT9

8.0 USART
8.1 USART CONTROL AND STATUS REGISTERS
The operation of the USART is programmed through three
registers: ENU, ENUR and ENUI.
8.2 DESCRIPTION OF USART REGISTER BITS
ENU — USART CONTROL AND STATUS REGISTER (Ad-
dress at 0BA)
Bit 7
PEN
PSEL1 XBIT9/
PSEL0
(Continued)
CHL1
CHL0
ERR
FIGURE 22. USART Block Diagram
RBFL
TBMT
Bit 0
39
PEN: This bit enables/disables Parity (7- and 8-bit modes
only). Read/Write, cleared on reset.
PEN = 0
PEN = 1
PSEL1, PSEL0: Parity select bits. Read/Write, cleared on
reset.
PSEL1 = 0, PSEL0 = 0
PSEL1 = 0, PSEL1 = 1
PSEL1 = 1, PSEL0 = 0
PSEL1 = 1, PSEL1 = 1
Parity disabled.
Parity enabled.
Odd Parity (if Parity enabled)
Even Parity (if Parity enabled)
Mark(1) (if Parity enabled)
Space(0) (if Parity enabled)
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