参数资料
型号: C8051F300-GMR
厂商: Silicon Laboratories Inc
文件页数: 8/178页
文件大小: 0K
描述: IC 8051 MCU 8K FLASH 11QFN
产品培训模块: Serial Communication Overview
标准包装: 1,500
系列: C8051F30x
核心处理器: 8051
芯体尺寸: 8-位
速度: 25MHz
连通性: SMBus(2 线/I²C),UART/USART
外围设备: POR,PWM,温度传感器,WDT
输入/输出数: 8
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
数据转换器: A/D 8x8b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 10-VFDFN 裸露焊盘
包装: 带卷 (TR)
配用: 336-1444-ND - ADAPTER PROGRAM TOOLSTICK F300
336-1351-ND - KIT REF DES TEMP COMPENS RTC
336-1348-ND - KIT STARTER TOOLSTICK
336-1283-ND - KIT REF DESIGN DTMF DECODER
336-1278-ND - KIT TOOL EVAL SYS IN A USB STICK
336-1246-ND - DEV KIT F300/301/302/303/304/305
Rev. 2.9
105
C8051F300/1/2/3/4/5
Figure 12.4. Crossbar Priority Decoder with XBR0 = 0x44
Registers XBR1 and XBR2 are used to assign the digital I/O resources to the physical I/O Port pins. Note
that when the SMBus is selected, the Crossbar assigns both pins associated with the SMBus (SDA and
SCL). Either or both of the UART signals may be selected by the Crossbar. UART0 pin assignments are
fixed for bootloading purposes: when UART TX0 is selected, it is always assigned to P0.4; when UART
RX0 is selected, it is always assigned to P0.5. Standard Port I/Os appear contiguously after the prioritized
functions have been assigned. For example, if assigned functions that take the first 3 Port I/O (P0.[2:0]), 5
Port I/O are left for analog or GPIO use.
VREF
x1
x2
CNVSTR
01
2345
67
00
1000
10
Port pin potentially available to peripheral
Port pin skipped by CrossBar
S
igna
ls
U
na
v
a
il
a
bl
e
RX0
SDA
SCL
CP0
CEX0
CEX1
Special Function Signals are not assigned by the crossbar. When
these signals are enabled, the CrossBar must be manually
configured to skip their corresponding port pins. Note: x1 refers to
the XTAL1 signal; x2 refers to the XTAL2 signal.
SF Signals
CEX2
ECI
CP0A
SYSCLK
P0
XBR0[0:7]
T0
T1
SF Signals
PIN I/O
TX0
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