PIC18F85J50T-I/PT Microchip Technology, PIC18F85J50T-I/PT Datasheet - Page 107
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PIC18F85J50T-I/PT
Manufacturer Part Number
PIC18F85J50T-I/PT
Description
IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,TQFP,64PIN,PLASTIC
Manufacturer
Microchip Technology
Series
PIC® 18Fr
Datasheets
1.PIC16F616T-ISL.pdf
(8 pages)
2.PIC18F65J50-IPT.pdf
(480 pages)
3.PIC18F65J50-IPT.pdf
(16 pages)
Specifications of PIC18F85J50T-I/PT
Core Processor
PIC
Core Size
8-Bit
Speed
48MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, LVD, POR, PWM, WDT
Number Of I /o
65
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Ram Size
3.8K x 8
Voltage - Supply (vcc/vdd)
2 V ~ 3.6 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-TFQFP
Processor Series
PIC18F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
3904 B
Interface Type
I2C, MSSP, SPI, EUSART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
65
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, DV164136, DM183022, DM183032
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 12 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
AC162087 - HEADER MPLAB ICD2 18F87J50 68/84MA180021 - MODULE PLUG-IN 18F87J50 FS USBAC164328 - MODULE SKT FOR 80TQFP
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
PIC18F85J50T-I/PTTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC18F85J50T-I/PT
Manufacturer:
Microchip Technology
Quantity:
10 000
- Current page: 107 of 480
- Download datasheet (8Mb)
7.0
The External Memory Bus (EMB) allows the device to
access external memory devices (such as Flash,
EPROM, SRAM, etc.) as program or data memory. It
supports both 8 and 16-Bit Data Width modes and
three address widths of up to 20 bits.
TABLE 7-1:
© 2009 Microchip Technology Inc.
Note:
Note:
RE2/AD10
RE3/AD11
RE4/AD12
RE5/AD13
RE6/AD14
RE7/AD15
RJ3/WRH
RD0/AD0
RD1/AD1
RD2/AD2
RD3/AD3
RD4/AD4
RD5/AD5
RD6/AD6
RD7/AD7
RJ2/WRL
RE0/AD8
RE1/AD9
RH0/A16
RH1/A17
RH2/A18
RH3/A19
RJ0/ALE
RJ4/BA0
RJ1/OE
RJ5/CE
RJ7/UB
RJ6/LB
Name
EXTERNAL MEMORY BUS
The
implemented on 64-pin devices.
For the sake of clarity, only I/O port and external bus assignments are shown here. One or more additional
multiplexed features may be available on some pins.
PIC18F87J50 FAMILY EXTERNAL BUS – I/O PORT FUNCTIONS
External
PORTD
PORTD
PORTD
PORTD
PORTD
PORTD
PORTD
PORTD
PORTE
PORTE
PORTH
PORTH
PORTH
PORTH
Memory
PORTE
PORTE
PORTE
PORTE
PORTE
PORTE
PORTJ
PORTJ
PORTJ
PORTJ
PORTJ
PORTJ
PORTJ
PORTJ
Port
Bus
is
Bit
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
0
1
2
3
4
5
6
7
not
Address bit 0 or Data bit 0
Address bit 1 or Data bit 1
Address bit 2 or Data bit 2
Address bit 3 or Data bit 3
Address bit 4 or Data bit 4
Address bit 5 or Data bit 5
Address bit 6 or Data bit 6
Address bit 7 or Data bit 7
Address bit 8 or Data bit 8
Address bit 9 or Data bit 9
Address bit 10 or Data bit 10
Address bit 11 or Data bit 11
Address bit 12 or Data bit 12
Address bit 13 or Data bit 13
Address bit 14 or Data bit 14
Address bit 15 or Data bit 15
Address bit 16
Address bit 17
Address bit 18
Address bit 19
Address Latch Enable (ALE) Control pin
Output Enable (OE) Control pin
Write Low (WRL) Control pin
Write High (WRH) Control pin
Byte Address bit 0 (BA0)
Chip Enable (CE) Control pin
Lower Byte Enable (LB) Control pin
Upper Byte Enable (UB) Control pin
PIC18F87J50 FAMILY
The bus is implemented with 28 pins, multiplexed
across four I/O ports. Three ports (PORTD, PORTE
and PORTH) are multiplexed with the address/data bus
for a total of 20 available lines, while PORTJ is
multiplexed with the bus control signals.
A list of the pins and their functions is provided in
Table 7-1.
External Memory Bus Function
DS39775C-page 107
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