C8051F314-GQR Silicon Laboratories Inc, C8051F314-GQR Datasheet - Page 205
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C8051F314-GQR
Manufacturer Part Number
C8051F314-GQR
Description
IC 8051 MCU 8K FLASH 32LQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F31xr
Specifications of C8051F314-GQR
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
29
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
For Use With
336-1445 - ADAPTER PROGRAM TOOLSTICK F310
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
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Part Number:
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18.2. 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 18.2 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 18.3 for details on the PCA interrupt configuration.
PWM16 ECOM CAPP CAPN
X = Don’t Care
X
X
X
X
X
X
0
1
Table 18.2. PCA0CPM Register Settings for PCA Capture/Compare Modules
Timer Overflow
PCA Counter/
W
M
P
1
6
n
PCA Module 0
PCA Module 1
PCA Module 2
PCA Module 3
PCA Module 4
(for n = 0 to 4)
PCA0CPMn
E
C
O
M
n
X
X
X
1
1
1
1
1
C
A
P
P
n
(CCF0)
(CCF1)
(CCF2)
(CCF3)
(CCF4)
C
A
P
N
n
M
A
T
n
T
O
G
n
W
M
P
n
E
C
C
F
n
1
0
1
0
0
0
0
0
C
F
C
R
PCA0CN
C
C
F
4
Figure 18.3. PCA Interrupt Block Diagram
C
C
F
3
C
C
F
2
C
C
F
1
0
1
1
0
0
0
0
0
C
C
F
0
ECCF0
ECCF1
ECCF2
ECCF3
ECCF4
C
D
L
I
W
D
T
E
PCA0MD
W
D
C
K
L
MAT
C
P
S
X
X
X
2
0
0
0
1
1
C
P
S
1
0
1
0
1
0
1
0
1
0
1
C
P
S
0
E
C
F
0
1
TOG
0
0
0
0
1
1
0
0
Rev. 1.7
PWM ECCF
0
0
0
0
0
1
1
1
C8051F310/1/2/3/4/5/6/7
X
X
X
X
X
X
X
X
Capture triggered by positive edge
on CEXn
Capture triggered by negative edge
on CEXn
Capture triggered by transition on
CEXn
Software Timer
High Speed Output
Frequency Output
8-Bit Pulse Width Modulator
16-Bit Pulse Width Modulator
EPCA0
Operation Mode
0
1
EA
0
1
Interrupt
Priority
Decoder
205
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