PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 43

• Manufacturer Part Number: PIC18F6621-I/PT
• Description: 64 PIN, 64 KB FLASH, 3840 RAM, 52 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC18F6621-I/PT

• A/d Inputs: 12-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 10 MIPS
• Eeprom Memory: 1024 Bytes
• Input Output: 54
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 64-pin TQFP
• Programmable Memory: 64K Bytes
• Ram Size: 3.8K Bytes
• Speed: 40 MHz
• Timers: 2-8-bit, 3-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

REGISTER 4-1:
FIGURE 4-3:
 2005 Microchip Technology Inc.
Note
1FFFFFh
000000h
1:
2:
3:
bit 7
bit 6-2
bit 1-0
PIC18F8525 and PIC18F6525.
PIC18F8621 and PIC18F6621.
This mode is available only on PIC18F8525/8621 devices.
Microprocessor
Program
External
Memory
External
Memory
Mode
(3)
CONFIG3L: CONFIGURATION REGISTER 3 LOW
MEMORY MAPS FOR PIC18F6525/6621/8525/8621 PROGRAM MEMORY MODES
bit 7
WAIT: External Bus Data Wait Enable bit
1 = Wait selections unavailable, device will not wait
0 = Wait programmed by WAIT1 and WAIT0 bits of MEMCOM register (MEMCOM<5:4>)
Unimplemented: Read as ‘0’
PM1:PM0: Processor Data Memory Mode Select bits
11 = Microcontroller mode
10 = Microprocessor mode
01 = Microcontroller with Boot Block mode
00 = Extended Microcontroller mode
Legend:
R = Readable bit
-n = Value after erase
On-Chip
Program
Memory
access)
On-Chip
Flash
R/P-1
Note 1: This mode is available only on PIC18F8525/8621 devices.
WAIT
(No
000000h
0007FFh
000800h
1FFFFFh
U-0
—
Microprocessor
with Boot Block
External
Program
Memory
External
Memory
Mode
PIC18F6525/6621/8525/8621
(3)
P = Programmable bit U = Unimplemented bit, read as ‘0’
‘1’ = Bit is set
(1)
U-0
—
On-Chip
Program
Memory
On-Chip
Flash
(1)
000000h
00BFFFh
00FFFFh
00C000h
010000h
1FFFFFh
U-0
—
(1)
Microcontroller
(2)
(2)
(1)
(1)
Mode
‘0’ = Bit is cleared
U-0
—
On-Chip
On-Chip
Program
Memory
Flash
Reads
‘0’s
U-0
—
000000h
00BFFFh
00FFFFh
00C000h
010000h
1FFFFFh
x = Bit is unknown
Microcontroller
(2)
(2)
(1)
(1)
R/P-1
PM1
Extended
External
External
Mode
Program
Memory
Memory
DS39612B-page 41
(3)
On-Chip
Program
Memory
On-Chip
Flash
R/P-1
PM0
bit 0