PIC16F1937-E/MV Microchip Technology, PIC16F1937-E/MV Datasheet - Page 128

• Manufacturer Part Number: PIC16F1937-E/MV
• Description: 14KB Flash, 512B RAM, 256B EEPROM, LCD, 1.8-5.5V 40 UQFN 5x5x0.5mm TUBE
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F1937-E/MV

• Processor Series: PIC16F
• Core: PIC
• Program Memory Type: Flash
• Program Memory Size: 14 KB
• Data Ram Size: 256 B
• Interface Type: MI2C, SPI, EUSART
• Number Of Timers: 5
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: UQFN-40
• Development Tools By Supplier: MPLAB IDE Software
• Minimum Operating Temperature: - 40 C
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 32MHz
• Connectivity: I²C, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 36
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Lead Free Status / Rohs Status: Details

PIC16(L)F1934/6/7
REGISTER 11-6:
TABLE 11-3:
DS41364E-page 128
EECON1
EECON2
EEADRL
EEADRH
EEDATL
EEDATH
INTCON
PIE2
PIR2
Legend:
bit 7
Legend:
R = Readable bit
S = Bit can only be set
‘1’ = Bit is set
bit 7-0
Name
W-0/0
*
— = unimplemented location, read as ‘0’. Shaded cells are not used by the data EEPROM module.
Page provides register information.
EEPGD
OSFIE
OSFIF
Bit 7
GIE
—
—
Data EEPROM Unlock Pattern bits
To unlock writes, a 55h must be written first, followed by an AAh, before setting the WR bit of the
EECON1 register. The value written to this register is used to unlock the writes. There are specific
timing requirements on these writes. Refer to
Memory”
SUMMARY OF REGISTERS ASSOCIATED WITH DATA EEPROM
W-0/0
EECON2: EEPROM CONTROL 2 REGISTER
CFGS
PEIE
C2IE
Bit 6
C2IF
for more information.
—
W = Writable bit
x = Bit is unknown
‘0’ = Bit is cleared
EEPROM Control Register 2 (not a physical register)
W-0/0
TMR0IE
LWLO
C1IE
Bit 5
C1IF
EEPROM Control Register 2
W-0/0
FREE
INTE
EEIE
Bit 4
EEIF
EEADRL<7:0>
EEDATL<7:0>
EEADRH<6:0
U = Unimplemented bit, read as ‘0’
-n/n = Value at POR and BOR/Value at all other Resets
WRERR
BCLIE
BCLIF
IOCIE
Bit 3
W-0/0
EEDATH<5:0>
Section 11.2.2 “Writing to the Data EEPROM
TMR0IF
WREN
LCDIE
LCDIF
Bit 2
W-0/0
 2008-2011 Microchip Technology Inc.
Bit 1
INTF
WR
—
—
W-0/0
CCP2IE
CCP2IF
IOCIF
Bit 0
RD
Register on
W-0/0
Page
115*
127
126
126
126
126
100
103
98
bit 0