PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 14

• 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 12
RA0/AN0
RA1/AN1
RA2/AN2/V
RA3/AN3/V
RA4/T0CKI
RA5/AN4/LVDIN
RA6
Legend: TTL = TTL compatible input
Note 1: Alternate assignment for ECCP2/P2A in PIC18F8525/8621 devices when CCP2MX (CONFIG3H<0>) is not set (all
RA0
AN0
RA1
AN1
RA2
AN2
V
RA3
AN3
V
RA4
T0CKI
RA5
AN4
LVDIN
REF
REF
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
-
+
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.
REF
REF
DD
= Input
= Power
-
+
must be connected to a positive supply and AV
PIC18F6525/6621/8525/8621 PINOUT I/O DESCRIPTIONS (CONTINUED)
PIC18F6X2X
24
23
22
21
28
27
Pin Number
PIC18F8X2X
30
29
28
27
34
33
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
must be connected to a ground reference for proper operation of
I
I
I
I
I
I
I
I
I
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Buffer
ST/OD
= Output
= Open-Drain (no P diode to V
Type
TTL
TTL
TTL
TTL
TTL
ST
PORTA is a bidirectional I/O port.
Digital I/O.
Analog input 0.
Digital I/O.
Analog input 1.
Digital I/O.
Analog input 2.
A/D reference voltage (low) input.
Digital I/O.
Analog input 3.
A/D reference voltage (high) input.
Digital I/O – Open-drain when configured
as output.
Timer0 external clock input.
Digital I/O.
Analog input 4.
Low-Voltage Detect input.
See the OSC2/CLKO/RA6 pin.
 2005 Microchip Technology Inc.
Description
DD
)