参数资料
型号: PIC32MX575F256LT-80I/PT
厂商: Microchip Technology
文件页数: 28/64页
文件大小: 0K
描述: IC MCU 32BIT 256KB FLASH 100TQFP
标准包装: 1,200
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 34
2007-2012 Microchip Technology Inc.
16.2.4
READ
COMMAND
The READ command instructs the PE to read from mem-
ory the number of 32-bit words specified in the Operand
field starting from the 32-bit address specified by the
Addr_Low and Addr_High fields. This command can be
used to read Flash memory, as well as Configuration
words. All data returned in response to this command
uses the packed data format that is shown in Table 16-5.
Expected Response:
FIGURE 16-6:
READ
RESPONSE
FIGURE 16-5:
READ
COMMAND
31
16
Op code
15
0
Operand
31
16
Addr_High
15
0
Addr_Low
TABLE 16-5:
READ
FORMAT
Field
Description
Op code
0x1
Operand
N number of 32-bit words to read
(maximum of 65,535)
Addr_Low
Low 16 bits of 32-bit source address
Addr_High
High 16 bits of 32-bit source
address
31
16
Last Command
15
0
Response Code
31
16
Data_High_1
15
0
Data_Low_1
31
16
Data_High_N
15
0
Data_Low_N
Note:
Reading
unimplemented
memory
will
cause the PE to reset. Please ensure that
only memory locations present on a
particular device are accessed.
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