PIC18F252-I/SP Microchip Technology Inc., PIC18F252-I/SP Datasheet - Page 202

• Manufacturer Part Number: PIC18F252-I/SP
• Description: Microcontroller; 32 KB Flash; 1536 RAM; 256 EEPROM; 25 I/O; 28-Pin-SPDIP
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F252-I/SP

• A/d Inputs: 5-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 25
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin SPDIP
• Programmable Memory: 32K Bytes
• Ram Size: 1.5K Bytes
• Speed: 40 MHz
• Timers: 1-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

PIC18FXX2
REGISTER 19-8:
REGISTER 19-9:
DS39564C-page 200
bit 7-4
bit 3
bit 2
bit 1
bit 0
bit 7
bit 6
bit 5
bit 4-0
CONFIGURATION REGISTER 6 LOW (CONFIG6L: BYTE ADDRESS 30000Ah)
CONFIGURATION REGISTER 6 HIGH (CONFIG6H: BYTE ADDRESS 30000Bh)
bit 7
Unimplemented: Read as ‘0’
WRT3: Write Protection bit
1 = Block 3 (006000-007FFFh) not write protected
0 = Block 3 (006000-007FFFh) write protected
WRT2: Write Protection bit
1 = Block 2 (004000-005FFFh) not write protected
0 = Block 2 (004000-005FFFh) write protected
WRT1: Write Protection bit
1 = Block 1 (002000-003FFFh) not write protected
0 = Block 1 (002000-003FFFh) write protected
WRT0: Write Protection bit
1 = Block 0 (000200h-001FFFh) not write protected
0 = Block 0 (000200h-001FFFh) write protected
Legend:
R = Readable bit
- n = Value when device is unprogrammed
Legend:
R = Readable bit
- n = Value when device is unprogrammed
WRTD: Data EEPROM Write Protection bit
1 = Data EEPROM not write protected
0 = Data EEPROM write protected
WRTB: Boot Block Write Protection bit
1 = Boot Block (000000-0001FFh) not write protected
0 = Boot Block (000000-0001FFh) write protected
WRTC: Configuration Register Write Protection bit
1 = Configuration registers (300000-3000FFh) not write protected
0 = Configuration registers (300000-3000FFh) write protected
Unimplemented: Read as ‘0’
bit 7
WRTD
Note 1: Unimplemented in PIC18FX42 devices; maintain this bit set.
R/C-1
Note:
U-0
—
This bit is read only, and cannot be changed in User mode.
WRTB
R/C-1
U-0
—
C = Clearable bit
C =Clearable bit
WRTC
(1)
(1)
C-1
U-0
—
U-0
—
U-0
—
WRT3
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
R/C-1
U-0
—
(1)
WRT2
R/C-1
U-0
—
© 2006 Microchip Technology Inc.
(1)
WRT1
R/C-1
U-0
—
WRT0
R/C-1
U-0
—
bit 0
bit 0