参数资料
型号: C8051F300-GMR
厂商: Silicon Laboratories Inc
文件页数: 65/178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
157
C8051F300/1/2/3/4/5
16.2. Capture/Compare Modules
Each module can be configured to operate independently in one of six operation modes: Edge-triggered
Capture, Software Timer, High Speed Output, Frequency Output, 8-bit Pulse Width Modulator, or 16-bit
Pulse Width Modulator. Each module has Special Function Registers (SFRs) associated with it in the CIP-
51 system controller. These registers are used to exchange data with a module and configure the module's
mode of operation.
Table 16.2 summarizes the bit settings in the PCA0CPMn registers used to select the PCA capture/com-
pare module’s operating modes. Setting the ECCFn bit in a PCA0CPMn register enables the module's
CCFn interrupt. Note: PCA0 interrupts must be globally enabled before individual CCFn interrupts are rec-
ognized. PCA0 interrupts are globally enabled by setting the EA bit and the EPCA0 bit to logic 1. See
Figure 16.3 for details on the PCA interrupt configuration.
Table 16.2. PCA0CPM Register Settings for PCA Capture/Compare Modules
PWM16
ECOM
CAPP CAPN
MAT
TOG
PWM
ECCF
Operation Mode
X*
1
0
X*
Capture triggered by positive edge
on CEXn
X*
0
1
0
X*
Capture triggered by negative
edge on CEXn
X*
1
0
X*
Capture triggered by transition on
CEXn
X*
1
0
1
0
X*
Software Timer
X*
1
0
1
0
X*
High Speed Output
X*
1
0
X*
1
X*
Frequency Output
0
1
0
X*
0
1
X*
8-bit Pulse Width Modulator
1
0
X*
0
1
X*
16-bit Pulse Width Modulator
*Note: X = Don’t Care
PCA0CN
C
F
C
R
C
F
0
C
F
2
C
F
1
PCA0MD
C
I
D
L
W
D
T
E
C
F
C
P
S
1
C
P
S
0
W
D
L
C
K
C
P
S
2
0
1
PCA Module 0
(CCF0)
PCA Module 1
(CCF1)
ECCF1
0
1
ECCF0
0
1
PCA Module 2
(CCF2)
ECCF2
PCA Counter/
Timer Overflow
0
1
PCA0CPMn
(for n = 0 to 2)
P
W
M
1
6
n
E
C
O
M
n
E
C
F
n
T
O
G
n
P
W
M
n
C
A
P
n
C
A
P
N
n
M
A
T
n
Interrupt
Priority
Decoder
EPCA0
0
1
EA
0
1
Figure 16.3. PCA Interrupt Block Diagram
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