参数资料
型号: DSPIC30F3013-30I/ML
厂商: Microchip Technology
文件页数: 22/161页
文件大小: 0K
描述: IC DSPIC MCU/DSP 24K 44QFN
产品培训模块: Serial Communications using dsPIC30F I2C
Serial Communications using dsPIC30F SPI
Serial Communications using dsPIC30F UART
dsPIC30F 12 bit ADC - Part 2
dsPIC30F Addressing Modes - Part 1
dsPIC30F Architecture - Part 1
dsPIC30F DSP Engine & ALU
dsPIC30F Interrupts
dsPIC30F Motor Control PWM
dsPIC Timers
Asynchronous Stimulus
dsPIC30F Addressing Modes - Part 2
dsPIC30F Architecture - Part 2
dsPIC30F 12-bit ADC Part 1
标准包装: 45
系列: dsPIC™ 30F
核心处理器: dsPIC
芯体尺寸: 16-位
速度: 30 MIP
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 20
程序存储器容量: 24KB(8K x 24)
程序存储器类型: 闪存
EEPROM 大小: 1K x 8
RAM 容量: 2K x 8
电压 - 电源 (Vcc/Vdd): 2.5 V ~ 5.5 V
数据转换器: A/D 10x12b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 44-VQFN 裸露焊盘
包装: 管件
产品目录页面: 651 (CN2011-ZH PDF)
配用: DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32
DV164005-ND - KIT ICD2 SIMPLE SUIT W/USB CABLE
其它名称: DSPIC30F301330IML
PIC18F46J11 FAMILY
DS39932D-page 148
2011 Microchip Technology Inc.
10.6
PORTE, TRISE and LATE
Registers
Depending on the particular PIC18F46J11 family
device selected, PORTE is implemented in two
different ways.
For 44-pin devices, PORTE is a 3-bit wide port. Three
pins (RE0/AN5/PMRD, RE1/AN6/PMWR and RE2/
AN7/PMCS) are individually configurable as inputs or
outputs. These pins have Schmitt Trigger input buffers.
When selected as analog inputs, these pins will read as
‘0’s.
The corresponding Data Direction register is TRISE.
Setting a TRISE bit (= 1) will make the corresponding
PORTE pin an input (i.e., put the corresponding output
driver in a high-impedance mode). Clearing a TRISE bit
(= 0) will make the corresponding PORTE pin an output
(i.e., put the contents of the output latch on the selected
pin).
TRISE controls the direction of the RE pins, even when
they are being used as analog inputs. The user must
make sure to keep the pins configured as inputs when
using them as analog inputs.
The Data Latch register (LATE) is also memory
mapped. Read-modify-write operations on the LATE
register read and write the latched output value for
PORTE.
EXAMPLE 10-6:
INITIALIZING PORTE
Each of the PORTE pins has a weak internal pull-up. A
single control bit can turn on all the pull-ups. This is per-
formed by setting bit, REPU (PORTE<6>). The weak
pull-up is automatically turned off when the port pin is
configured as an output. The pull-ups are disabled on a
POR.
Note that the pull-ups can be used for any set of
features, similar to the pull-ups found on PORTB.
Note:
PORTE is available only in 44-pin
devices.
Note:
On a POR, RE<2:0> are configured as
analog inputs.
CLRF
LATE
; Initialize LATE
; to clear output
; data latches
MOVLW
0xE0
; Configure REx
MOVWF
ANCON0
; for digital inputs
MOVLW
0x03
; Value used to
; initialize data
; direction
MOVWF
TRISE
; Set RE<0> as inputs
; RE<1> as outputs
; RE<2> as inputs
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