PIC16F690-E/P Microchip Technology Inc., PIC16F690-E/P Datasheet - Page 152

• Manufacturer Part Number: PIC16F690-E/P
• Description: 20 PIN, 7 KB FLASH, 256 RAM, 18 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F690-E/P

• A/d Inputs: 12-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 7 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 18
• Interface: USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 20-pin PDIP
• Programmable Memory: 7K Bytes
• Ram Size: 256 Bytes
• Speed: 20 MHz
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC16F631/677/685/687/689/690
FIGURE 12-2:
The operation of the EUSART module is controlled
through three registers:
• Transmit Status and Control (TXSTA)
• Receive Status and Control (RCSTA)
• Baud Rate Control (BAUDCTL)
These
Register 12-2 and Register 12-3, respectively.
DS41262C-page 150
BRG16
Baud Rate Generator
SPBRGH
registers
SPBRG
RX/DT pin
are
+ 1
EUSART RECEIVE BLOCK DIAGRAM
detailed
Multiplier
BRG16
BRGH
SYNC
Pin Buffer
and Control
in
SPEN
1 X 0 0
X 1 1 0
X 1 0 1
x4
Register 12-1,
x16 x64
F
OSC
0
0
0
Preliminary
n
Data
Recovery
÷ n
FERR
Stop
MSb
CREN
(8)
RX9D
7
RX9
RSR Register
© 2006 Microchip Technology Inc.
RCREG Register
• • •
OERR
8
1
RCIF
RCIE
Data Bus
0
Start
LSb
RCIDL
Interrupt
FIFO