参数资料
型号: C8051F231
厂商: Silicon Laboratories Inc
文件页数: 50/146页
文件大小: 0K
描述: IC 8051 MCU 8K FLASH 32LQFP
标准包装: 250
系列: C8051F2xx
核心处理器: 8051
芯体尺寸: 8-位
速度: 25MHz
连通性: SPI,UART/USART
外围设备: 欠压检测/复位,POR,WDT
输入/输出数: 22
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 32-LQFP
包装: 托盘
C8051F2xx
Rev. 1.6
143
18.2. Boundary Scan Bypass and ID Code
The MCU does not support boundary scan (IEEE 1149.1), however, it does support the bypass and ID
code functions. Because the MCU utilizes JTAG for Flash memory programming and debug support, and
other devices in a system may use JTAG boundary scan, the MCU supports being placed in BYPASS so
the user may maintain a single JTAG port for a system. Additionally, the MCU supports an ID code.
18.2.1. BYPASS Instruction
The BYPASS instruction is accessed via the IR. It provides access to the standard 1-bit JTAG Bypass data
register.
18.2.2. IDCODE Instruction
The IDCODE instruction is accessed via the IR. It provides access to the 32-bit Device ID register.
JTAG Register Definition 18.6. DEVICEID: JTAG Device ID
Version = 0000b (Revision A)
= 0001b (Revision B)
Part Number = 0000 0000 0000 0001b (C8051F206/220/1/6, C8051F230/1/6)
Manufacturer ID = 0010 0100 001b (Silicon Laboratories)
18.3. Debug Support
The MCU has on-chip JTAG and debug circuitry that provide non-intrusive, full speed, in-circuit debug
using the production part installed in the end application using the four pin JTAG I/F. Silicon Labs' debug
system supports inspection and modification of memory and registers, breakpoints, stack tracing, and sin-
gle stepping. No additional target RAM, program memory, or communications channels are required. All
the digital and analog peripherals are functional and work correctly (remain in sync) while emulating. The
WDT is disabled when the MCU is halted during single stepping or at a breakpoint.
The C8051F2xxDK is a development kit with all the hardware and software necessary to develop applica-
tion code and perform in-circuit debugging with the C8061F206, C8051F220/1/6 and C8051F230/1/6. The
kit includes an Integrated Development Environment (IDE) which has a debugger and integrated 8051
assembler. It has an RS-232 to JTAG interface module referred to as the EC. The kit also includes RS-
232 and JTAG cables, and wall-mount power supply.
Reset Value
Version
Part Number
Manufacturer ID
1
0xn0000243
Bit31
Bit28
Bit27
Bit12 Bit11
Bit1
Bit0
相关PDF资料
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C8051F230 IC 8051 MCU 8K FLASH 48TQFP
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1-100526-3 Z-PACK F.CODING KEY
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