PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 17

• 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

TABLE 1-2:
 2005 Microchip Technology Inc.
RD0/AD0/PSP0
RD1/AD1/PSP1
RD2/AD2/PSP2
RD3/AD3/PSP3
RD4/AD4/PSP4
RD5/AD5/PSP5
RD6/AD6/PSP6
RD7/AD7/PSP7
Legend: TTL = TTL compatible input
Note 1: Alternate assignment for ECCP2/P2A in PIC18F8525/8621 devices when CCP2MX (CONFIG3H<0>) is not set (all
RD0
AD0
PSP0
RD1
AD1
PSP1
RD2
AD2
PSP2
RD3
AD3
PSP3
RD4
AD4
PSP4
RD5
AD5
PSP5
RD6
AD6
PSP6
RD7
AD7
PSP7
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
(3)
(3)
(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.
DD
= Input
= Power
must be connected to a positive supply and AV
PIC18F6525/6621/8525/8621 PINOUT I/O DESCRIPTIONS (CONTINUED)
PIC18F6X2X
58
55
54
53
52
51
50
49
Pin Number
PIC18F8X2X
PIC18F6525/6621/8525/8621
72
69
68
67
66
65
64
63
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
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
= Output
= Open-Drain (no P diode to V
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
PORTD is a bidirectional I/O port. These pins
have TTL input buffers when external
memory is enabled.
Digital I/O.
External memory address/data 0.
Parallel Slave Port data.
Digital I/O.
External memory address/data 1.
Parallel Slave Port data.
Digital I/O.
External memory address/data 2.
Parallel Slave Port data.
Digital I/O.
External memory address/data 3.
Parallel Slave Port data.
Digital I/O.
External memory address/data 4.
Parallel Slave Port data.
Digital I/O.
External memory address/data 5.
Parallel Slave Port data.
Digital I/O.
External memory address/data 6.
Parallel Slave Port data.
Digital I/O.
External memory address/data 7.
Parallel Slave Port data.
Description
DD
)
DS39612B-page 15