C8051T617-GM Silicon Laboratories Inc, C8051T617-GM Datasheet - Page 192
C8051T617-GM
Manufacturer Part Number
C8051T617-GM
Description
IC 8051 MCU 16K BYTE-PROG 24-QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051T61xr
Specifications of C8051T617-GM
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
21
Program Memory Size
16KB (16K x 8)
Program Memory Type
OTP
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
24-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Other names
336-1438-5
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C8051T610/1/2/3/4/5/6/7
26.2. PCA0 Interrupt Sources
Figure 26.3 shows a diagram of the PCA interrupt tree. There are six independent event flags that can be
used to generate a PCA0 interrupt. They are: the main PCA counter overflow flag (CF), which is set upon
a 16-bit overflow of the PCA0 counter and the individual flags for each PCA channel (CCF0, CCF1, CCF2,
CCF3, and CCF4), which are set according to the operation mode of that module. These event flags are
always set when the trigger condition occurs. Each of these flags can be individually selected to generate
a PCA0 interrupt, using the corresponding interrupt enable flag (ECF for CF, and ECCFn for each CCFn).
PCA0 interrupts must be globally enabled before any individual interrupt sources are recognized by the
processor. PCA0 interrupts are globally enabled by setting the EA bit and the EPCA0 bit to logic 1.
192
PCA Counter/Timer 16-
bit Overflow
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
C
A
P
P
n
(CCF0)
(CCF1)
(CCF2)
(CCF2)
(CCF2)
C
N
A
P
n
M
A
T
n
T
O
G
n
P
W
M
n
C
C
E
F
n
C
F
C
R
PCA0CN
C
C
Figure 26.3. PCA Interrupt Block Diagram
F
4
C
C
F
3
C
C
F
2
C
C
F
1
C
C
F
0
ECCF0
ECCF1
ECCF2
ECCF3
ECCF4
C
D
L
I
W
D
T
E
PCA0MD
W
D
C
K
L
C
P
S
2
C
P
S
1
0
1
0
1
0
1
0
1
0
1
C
P
S
0
E
C
F
0
1
Rev 1.0
EPCA0
0
1
EA
0
1
Interrupt
Priority
Decoder
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