参数资料
型号: PIC32MX575F256LT-80I/PF
厂商: Microchip Technology
文件页数: 56/64页
文件大小: 0K
描述: MCU 32BIT 256K FLASH 100TQFP
标准包装: 1,000
系列: PIC® 32MX
核心处理器: MIPS32? M4K?
芯体尺寸: 32-位
速度: 80MHz
连通性: CAN,I²C,SPI,UART/USART,USB OTG
外围设备: 欠压检测/复位,DMA,POR,PWM,WDT
输入/输出数: 85
程序存储器容量: 256KB(256K x 8)
程序存储器类型: 闪存
RAM 容量: 64K x 8
电压 - 电源 (Vcc/Vdd): 2.3 V ~ 3.6 V
数据转换器: A/D 16x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 100-TQFP
包装: 带卷 (TR)
PIC32MX
DS61145K-page 6
2007-2012 Microchip Technology Inc.
4.2
2-wire Interface
Another possible interface is the 2-wire ICSP port.
Table 4-2 lists the required pin connections. This inter-
face uses the following two communication lines to
transfer data to and from the PIC32MX device being
programmed:
PGECx – Serial Program Clock
PGEDx – Serial Program Data
These signals are described in the following two
sections. Refer to the specific device data sheet for the
connection of the signals to the chip pins.
4.2.1
SERIAL PROGRAM CLOCK
(PGECX)
PGECx is the clock that controls the updating of the
TAP controller and the shifting of data through the
Instruction or selected Data register(s). PGECx is
independent of the processor clock, with respect to
both frequency and phase.
4.2.2
SERIAL PROGRAM DATA (PGEDX)
PGEDx is the data input/output to the Instruction or
selected Data Register(s), it is also the control signal
for the TAP controller. This signal is sampled on the
falling edge of PGECx for some TAP controller states.
TABLE 4-2:
2-WIRE INTERFACE PINS
Device
Pin Name
Programmer
Pin Name
Pin Type
Pin Description
MCLR
P
Programming Enable
ENVREG(2)
N/A
I
Enable for On-Chip Voltage Regulator
VDD and AVDD(1) VDD
P
Power Supply
VSS and AVSS(1)
VSS
P
Ground
VCAP
N/A
P
CPU logic filter capacitor connection
PGEC1
PGEC
I
Primary Programming Pin Pair: Serial Clock
PGED1
PGED
I/O
Primary Programming Pin Pair: Serial Data
PGEC2
PGEC
I
Secondary Programming Pin Pair: Serial Clock
PGED2
PGED
I/O
Secondary Programming Pin Pair: Serial Data
Legend: I = Input
O = Output
P = Power
Note 1:
All power supply and ground pins must be connected, including analog supplies (AVDD) and ground (AVSS).
2:
The ENVREG pin is not available on all devices. Please refer to the “Pin Diagrams” section in the
specific device data sheet to determine availability.
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