参数资料
型号: DV164122
厂商: Microchip Technology
文件页数: 119/120页
文件大小: 0K
描述: ANALYZER SRL PICKIT W/DEMO BOARD
产品培训模块: Asynchronous Stimulus
标准包装: 1
系列: PICkit™
类型: MCU
适用于相关产品: PIC16F886
所含物品: PICkit?串行分析器,28 引脚演示板,USB 线缆和软件与说明文档光盘
配用: PKSERIAL-SPI1-ND - BOARD DEMO PICKIT SERIAL SPI
PKSERIAL-I2C1-ND - BOARD DEMO PICKIT SERIAL I2C
其它名称: Q3260228
28-Pin Demo Board I 2 C? Demonstration Firmware
B.7.3
ADC Display
The ADC Display begins by displaying hex values 0x0A, 0x0D and 0x0C in sequence
to signify “ADC” test.
After the opening display sequence, the LEDs displays the Most Significant 4 bits of the
ADC result measuring channel AN0 (potentiometer RP1). As RP1 is manually turned
from one extreme to the other, the LED display should range from binary 0000 to 1111 .
The firmware must be forced from this mode by command or Reset.
B.7.4
RTC Display
The RTC Display displays the Least Significant 4 bits of EXEC_REG_02 (RTC SEC-
ONDS). The LEDs should be seen to increment once per second in a binary progres-
sion (0x0-0xF) three times, then (0x0-0xB) once as the RTC SECONDS value
increments from 0x00 to 0x3B (59 decimal). The firmware must be forced from this
mode by command or Reset.
B.7.5
Communications Connector Display
This feature displays the state of the 4 signal pins on the communications connector.
LED1: PIN 1 (AUX1)
LED2: PIN 4 (SDA)
LED3: PIN 5 (SCL)
LED4: PIN 6 (AUX2)
Normally, LED2 and LED3 should be illuminated if the I 2 C bus has active pull-ups and
the SCK is not held low. The firmware must be forced from this mode by command or
Reset.
B.7.6
RESET Display
The RESET Display is executed on Reset/power-up or by command. The sequence is
a series of individual displays as follows:
1. PING-PONG display: cycles: 2 (i.e., LED1,2,3,4,3,2,1,2,3,4,3,2,1)
2. Blink all LEDs in unison: cycles: 1 (i.e., 1 sec OFF, 1 sec ON, 1 sec OFF)
3. ADC display (described above): cycles: perpetual
B.7.7
1 Second Blink
Blink all LEDs in unison at 1-second intervals (i.e., 1 sec OFF, 1 sec ON, 1 sec
OFF),...This feature uses time based on the Timer1 low-power oscillator and external
32 kHz tuning fork crystal.
? 2007 Microchip Technology Inc.
DS51647A-page 113
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