PIC18F452-E/PT Microchip Technology Inc., PIC18F452-E/PT Datasheet - Page 258

• Manufacturer Part Number: PIC18F452-E/PT
• Description: 44 PIN, 32 KB FLASH, 1536 RAM, 34 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F452-E/PT

• A/d Inputs: 8-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: I2C/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 44-pin TQFP
• 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

PIC18F2420/2520/4420/4520
REGISTER 23-10: CONFIG7L: CONFIGURATION REGISTER 7 LOW (BYTE ADDRESS 30000Ch)
REGISTER 23-11: CONFIG7H: CONFIGURATION REGISTER 7 HIGH (BYTE ADDRESS 30000Dh)
DS39631A-page 256
bit 7
bit 6
bit 5-0
bit 7-4
bit 3
bit 2
bit 1
bit 0
bit 7
Unimplemented: Read as ‘0’
EBTRB: Boot Block Table Read Protection bit
1 = Boot block (000000-0007FFh) not protected from table reads executed in other blocks
0 = Boot block (000000-0007FFh) protected from table reads executed in other blocks
Unimplemented: Read as ‘0’
bit 7
Unimplemented: Read as ‘0’
EBTR3: Table Read Protection bit
1 = Block 3 (006000-007FFFh) not protected from table reads executed in other blocks
0 = Block 3 (006000-007FFFh) protected from table reads executed in other blocks
EBTR2: Table Read Protection bit
1 = Block 2 (004000-005FFFh) not protected from table reads executed in other blocks
0 = Block 2 (004000-005FFFh) protected from table reads executed in other blocks
EBTR1: Table Read Protection bit
1 = Block 1 (002000-003FFFh) not protected from table reads executed in other blocks
0 = Block 1 (002000-003FFFh) protected from table reads executed in other blocks
EBTR0: Table Read Protection bit
1 = Block 0 (000800-001FFFh) not protected from table reads executed in other blocks
0 = Block 0 (000800-001FFFh) protected from table reads executed in other blocks
Legend:
R = Readable bit
-n = Value when device is unprogrammed
Legend:
R = Readable bit
-n = Value when device is unprogrammed
Note 1: Unimplemented in PIC18F2420/4420 devices; maintain this bit set.
U-0
U-0
—
—
2: Unimplemented in PIC18F2425/4425 devices; maintain this bit set.
EBTRB
R/C-1
U-0
—
C = Clearable bit
C = Clearable bit
U-0
—
U-0
Preliminary
—
(1)
(1,2)
U-0
—
U-0
—
EBTR3
R/C-1
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
U-0
—
(1,2)
EBTR2
R/C-1
U-0
—
 2004 Microchip Technology Inc.
(1)
EBTR1
R/C-1
U-0
—
EBTR0
R/C-1
U-0
—
bit 0
bit 0