参数资料
型号: C8051F300-GM
厂商: Silicon Laboratories Inc
文件页数: 51/178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: 122
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: 管件
产品目录页面: 623 (CN2011-ZH PDF)
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
其它名称: 336-1245
C8051F300/1/2/3/4/5
144
Rev. 2.9
The C/T0 bit (TMOD.2) selects the counter/timer's clock source. When C/T0 is set to logic 1, high-to-low
transitions at the selected Timer 0 input pin (T0) increment the timer register (Refer to Section
“12.1. Priority Crossbar Decoder” on page 104 for information on selecting and configuring external I/O
pins). Clearing C/T selects the clock defined by the T0M bit (CKCON.3). When T0M is set, Timer 0 is
clocked by the system clock. When T0M is cleared, Timer 0 is clocked by the source selected by the Clock
Scale bits in CKCON (see SFR Definition 15.3).
Setting the TR0 bit (TCON.4) enables the timer when either GATE0 (TMOD.3) is logic 0 or the input signal
/INT0 is active as defined by bit IN0PL in register IT01CF (see SFR Definition 8.11). Setting GATE0 to ‘1’
allows the timer to be controlled by the external input signal /INT0 (see Section “8.3.5. Interrupt Register
Descriptions” on page 75), facilitating pulse width measurements.
TR0
GATE0
/INT0
Counter/Timer
*Note: X = Don't Care
Setting TR0 does not force the timer to reset. The timer registers should be loaded with the desired initial
value before the timer is enabled.
TL1 and TH1 form the 13-bit register for Timer 1 in the same manner as described above for TL0 and TH0.
Timer 1 is configured and controlled using the relevant TCON and TMOD bits just as with Timer 0. The
input signal /INT1 is used with Timer 1; the /INT1 polarity is defined by bit IN1PL in register IT01CF (see
TCLK
TL0
(5 bits)
TH0
(8 bits)
TC
O
N
TF0
TR0
TR1
TF1
IE1
IT1
IE0
IT0
Interrupt
TR0
0
1
0
1
SYSCLK
Pre-scaled Clock
CKCON
T
2
M
H
S
C
A
0
S
C
A
1
T
2
M
L
T
1
M
T
0
M
TMOD
T
1
M
1
T
1
M
0
C
/
T
1
G
A
T
E
1
G
A
T
E
0
C
/
T
0
T
0
M
1
T
0
M
0
GATE0
/INT0
T0
Crossbar
IT01CF
I
N
1
S
L
1
I
N
1
S
L
0
I
N
1
S
L
2
I
N
1
P
L
I
N
0
P
L
I
N
0
S
L
2
I
N
0
S
L
1
I
N
0
S
L
0
IN0PL
XOR
Figure 15.1. T0 Mode 0 Block Diagram
0
X*
Disabled
10
X*
Enabled
1
0
Disabled
111
Enabled
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