PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 18

• 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

PIC18F6525/6621/8525/8621
TABLE 1-2:
DS39612B-page 16
RE0/AD8/RD/P2D
RE1/AD9/WR/P2C
RE2/AD10/CS/P2B
RE3/AD11/P3C
RE4/AD12/P3B
RE5/AD13/P1C
RE6/AD14/P1B
RE7/AD15/ECCP2/P2A
Legend: TTL = TTL compatible input
Note 1: Alternate assignment for ECCP2/P2A in PIC18F8525/8621 devices when CCP2MX (CONFIG3H<0>) is not set (all
RE0
AD8
RD
P2D
RE1
AD9
WR
P2C
RE2
AD10
CS
P2B
RE3
AD11
P3C
RE4
AD12
P3B
RE5
AD13
P1C
RE6
AD14
P1B
RE7
AD15
ECCP2
P2A
2: Default assignment for ECCP2/P2A when CCP2MX is set (all devices).
3: External memory interface functions are only available on PIC18F8525/8621 devices.
4: Default assignment for P1B/P1C/P3B/P3C for PIC18F8525/8621 devices when ECCPMX (CONFIG3H<1>) is set and for
5: Alternate assignment for ECCP2/P2A in PIC18F8525/8621 devices when CCP2MX is not set (Microcontroller mode).
6: PORTH and PORTJ (and their multiplexed functions) are only available on PIC18F8525/8621 devices.
7: Alternate assignment for P1B/P1C/P3B/P3C for PIC18F8525/8621 devices when ECCPMX (CONFIG3H<1>) is not set.
8: AV
9: RG5 is multiplexed with MCLR and is only available when the MCLR Resets are disabled.
Pin Name
(4)
(4)
(5)
(3)
(3)
(4)
(4)
(3)
(3)
(3)
(3)
(3)
(3)
ST = Schmitt Trigger input with CMOS levels
I
P
Program Memory modes except Microcontroller).
all PIC18F6525/6621 devices.
the part in user or ICSP™ modes. See parameter D001 for details.
(5)
DD
= Input
= Power
must be connected to a positive supply and AV
PIC18F6525/6621/8525/8621 PINOUT I/O DESCRIPTIONS (CONTINUED)
PIC18F6X2X
64
63
62
61
60
59
2
1
Pin Number
PIC18F8X2X
78
77
76
75
74
73
4
3
SS
Type
Pin
CMOS = CMOS compatible input or output
Analog = Analog input
O
OD
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
must be connected to a ground reference for proper operation of
O
O
O
O
O
O
O
O
I
I
I
Buffer
= Output
= Open-Drain (no P diode to V
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
ST
ST
—
—
—
—
—
—
—
PORTE is a bidirectional I/O port.
Digital I/O.
External memory address/data 8.
Read control for Parallel Slave Port.
ECCP2 output P2D.
Digital I/O.
External memory address/data 9.
Write control for Parallel Slave Port.
ECCP2 output P2C.
Digital I/O.
External memory address/data 10.
Chip select control for Parallel Slave Port.
ECCP2 output P2B.
Digital I/O.
External memory address/data 11.
ECCP3 output P3C.
Digital I/O.
External memory address/data 12.
ECCP3 output P3B.
Digital I/O.
External memory address/data 13.
ECCP1 output P1C.
Digital I/O.
External memory address/data 14.
ECCP1 output P1B.
Digital I/O.
External memory address/data 15.
Enhanced Capture 2 input, Compare 2
output, PWM 2 output.
ECCP2 output P2A.
 2005 Microchip Technology Inc.
Description
DD
)