參數(shù)資料
型號: C8051F305-GS
廠商: Silicon Laboratories Inc
文件頁數(shù): 83/178頁
文件大?。?/td> 0K
描述: IC 8051 MCU 2K FLASH 14-SOIC
產(chǎn)品培訓模塊: Serial Communication Overview
標準包裝: 56
系列: C8051F30x
核心處理器: 8051
芯體尺寸: 8-位
速度: 25MHz
連通性: SMBus(2 線/I²C),UART/USART
外圍設備: POR,PWM,WDT
輸入/輸出數(shù): 8
程序存儲器容量: 2KB(2K x 8)
程序存儲器類型: 閃存
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 14-SOIC(0.154",3.90mm 寬)
包裝: 管件
產(chǎn)品目錄頁面: 622 (CN2011-ZH PDF)
配用: 336-1444-ND - ADAPTER PROGRAM TOOLSTICK F300
其它名稱: 336-1540-5
Rev. 2.9
173
C8051F300/1/2/3/4/5
17. C2 Interface
C8051F300/1/2/3/4/5 devices include an on-chip Silicon Labs 2-Wire (C2) debug interface to allow Flash
programming and in-system debugging with the production part installed in the end application. The C2
interface operates using only two pins: a bi-directional data signal (C2D) and a clock input (C2CK). See the
C2 Interface Specification for details on the C2 protocol.
17.1. C2 Interface Registers
The following describes the C2 registers necessary to perform Flash programming functions through the
C2 interface. All C2 registers are accessed through the C2 interface as described in the C2 Interface Spec-
ification.
C2 Register Definition 17.1.
Bits7–0: The C2ADD register is accessed via the C2 interface to select the target Data register for
C2 Data Read and Data Write commands.
Reset Value
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Address
Description
0x00
Selects the Device ID register for Data Read instructions
0x01
Selects the Revision ID register for Data Read instructions
0x02
Selects the C2 Flash Programming Control register for Data
Read/Write instructions
0xB4
Selects the C2 Flash Programming Data register for Data
Read/Write instructions
0x80
Selects the Port0 register for Data Read/Write instructions
0xF1
Selects the Port0 Input Mode register for Data Read/Write instruc-
tions
0xA4
Selects the Port0 Output Mode register for Data Read/Write
instructions
C2ADD: C2 Address
C2 Register Definition 17.2.
This read-only register returns the 8-bit device ID: 0x04 (C8051F300/1/2/3/4/5).
Reset Value
00000100
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
DEVICEID: C2 Device ID
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