PORTJ is a bidirectional I/O port
參數(shù)資料
型號(hào): PIC18F8720-I/PT
廠商: Microchip Technology
文件頁數(shù): 81/165頁
文件大小: 0K
描述: IC MCU FLASH 64KX16 EE 80TQFP
產(chǎn)品培訓(xùn)模塊: Asynchronous Stimulus
8-bit PIC® Microcontroller Portfolio
標(biāo)準(zhǔn)包裝: 119
系列: PIC® 18F
核心處理器: PIC
芯體尺寸: 8-位
速度: 25MHz
連通性: EBI/EMI,I²C,SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,LVD,POR,PWM,WDT
輸入/輸出數(shù): 68
程序存儲(chǔ)器容量: 128KB(64K x 16)
程序存儲(chǔ)器類型: 閃存
EEPROM 大小: 1K x 8
RAM 容量: 3.75K x 8
電壓 - 電源 (Vcc/Vdd): 4.2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 16x10b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 80-TQFP
包裝: 托盤
配用: XLT80PT3-ND - SOCKET TRAN ICE 80MQFP/TQFP
AC164320-ND - MODULE SKT MPLAB PM3 80TQFP
AC174011-ND - MODULE SKT PROMATEII 80TQFP
PIC18F6520/8520/6620/8620/6720/8720
DS39609B-page 20
2004 Microchip Technology Inc.
PORTJ is a bidirectional I/O port(5).
RJ0/ALE
RJ0
ALE
—62
I/O
O
ST
TTL
Digital I/O.
External memory address latch enable.
RJ1/OE
RJ1
OE
—61
I/O
O
ST
TTL
Digital I/O.
External memory output enable.
RJ2/WRL
RJ2
WRL
—60
I/O
O
ST
TTL
Digital I/O.
External memory write low control.
RJ3/WRH
RJ3
WRH
—59
I/O
O
ST
TTL
Digital I/O.
External memory write high control.
RJ4/BA0
RJ4
BA0
—39
I/O
O
ST
TTL
Digital I/O.
External memory Byte Address 0 control.
RJ5/CE
RJ5
CE
—40
I/O
O
ST
TTL
Digital I/O.
External memory chip enable control.
RJ6/LB
RJ6
LB
—41
I/O
O
ST
TTL
Digital I/O.
External memory low byte select.
RJ7/UB
RJ7
UB
—42
I/O
O
ST
TTL
Digital I/O.
External memory high byte select.
VSS
9, 25,
41, 56
11, 31,
51, 70
P
Ground reference for logic and I/O pins.
VDD
10, 26,
38, 57
12, 32,
48, 71
P
Positive supply for logic and I/O pins.
AVSS(6)
20
26
P
Ground reference for analog modules.
AVDD(6)
19
25
P
Positive supply for analog modules.
TABLE 1-2:
PIC18FXX20 PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
Pin
Type
Buffer
Type
Description
PIC18F6X20 PIC18F8X20
Legend: TTL = TTL compatible input
CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels
Analog = Analog input
I
= Input
O
= Output
P
= Power
OD
= Open-Drain (no P diode to VDD)
Note 1:
Alternate assignment for CCP2 when CCP2MX is not selected (all operating modes except
Microcontroller).
2:
Default assignment when CCP2MX is set.
3:
External memory interface functions are only available on PIC18F8X20 devices.
4:
CCP2 is multiplexed with this pin by default when configured in Microcontroller mode. Otherwise, it is
multiplexed with either RB3 or RC1.
5:
PORTH and PORTJ are only available on PIC18F8X20 (80-pin) devices.
6:
AVDD must be connected to a positive supply and AVSS must be connected to a ground reference for
proper operation of the part in user or ICSP modes. See parameter D001A for details.
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