PIC18F6621-I/PT Microchip Technology Inc., PIC18F6621-I/PT Datasheet - Page 126

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PIC18F6621-I/PT

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

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

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PIC18F6525/6621/8525/8621
TABLE 10-15: PORTH FUNCTIONS
TABLE 10-16: SUMMARY OF REGISTERS ASSOCIATED WITH PORTH
DS39612B-page 124
RH0/A16
RH1/A17
RH2/A18
RH3/A19
RH4/AN12/P3C
RH5/AN13/P3B
RH6/AN14/P1C
RH7/AN15/P1B
Legend: ST = Schmitt Trigger input, TTL = TTL input
Note 1:
TRISH
PORTH
LATH
ADCON1
MEMCON
Legend: x = unknown, u = unchanged, — = unimplemented, read as ‘0’. Shaded cells are not used by PORTH.
Note 1:
Name
Name
2:
(1)
Input buffers are Schmitt Triggers when in I/O mode and TTL buffers when in System Bus or Parallel Slave
Port mode.
Valid only for PIC18F8525/8621 devices when ECCPMX is not set. The alternate assignments for
P1B/P1C/P3B/P3C in all PIC18F6525/6621 devices and in PIC18F8525/8621 devices when ECCPMX is
set are RE6, RE5, RE4 and RE3, respectively.
This register is unused on PIC18F6525/6621 devices and reads as ‘0’.
Read PORTH Data Latch/Write PORTH Data Latch
PORTH Data Direction Control Register
Read PORTH pin/Write PORTH Data Latch
EBDIS
(2)
(2)
(2)
(2)
Bit 7
Bit#
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
bit 7
Bit 6
Buffer Type
VCFG1 VCFG0 PCFG3 PCFG2 PCFG1 PCFG0
WAIT1
ST/TTL
ST/TTL
ST/TTL
ST/TTL
Bit 5
ST
ST
ST
ST
(1)
(1)
(1)
(1)
WAIT0
Bit 4
Input/output port pin or address bit 16 for external memory interface.
Input/output port pin or address bit 17 for external memory interface.
Input/output port pin or address bit 18 for external memory interface.
Input/output port pin or address bit 19 for external memory interface.
Input/output port pin, analog input channel 12 or Enhanced PWM
output P3C.
Input/output port pin, analog input channel 13 or Enhanced PWM
output P3B.
Input/output port pin, analog input channel 14 or Enhanced PWM
output P1C.
Input/output port pin, analog input channel 15 or Enhanced PWM3
output P1B.
Bit 3
Bit 2
WM1
Bit 1
Function
WM0
Bit 0
 2005 Microchip Technology Inc.
POR, BOR
1111 1111
0000 xxxx
xxxx xxxx
--00 0000
0-00 --00
Value on:
1111 1111
0000 uuuu
uuuu uuuu
--00 0000
0-00 --00
Value on
all other
Resets

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