C8051T633-GM Silicon Laboratories Inc, C8051T633-GM Datasheet - Page 193
![IC MCU 4KB 20PIN QFN](/photos/12/25/122567/silicon_laboratories_inc-20-qfn_sml.jpg)
C8051T633-GM
Manufacturer Part Number
C8051T633-GM
Description
IC MCU 4KB 20PIN QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051T63xr
Specifications of C8051T633-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
17
Program Memory Size
4KB (4K x 8)
Program Memory Type
OTP
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-QFN
Processor Series
C8051T6x
Core
8051
Data Bus Width
8 bit
Data Ram Size
768 B
Interface Type
UART, SPI, SMBus
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
17
Number Of Timers
4 x 16-bit
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051T630DK
Minimum Operating Temperature
- 40 C
For Use With
336-1464 - KIT DEV FOR C8051T630 FAMILY
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
336-1461-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051T633-GM
Manufacturer:
Silicon
Quantity:
270
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25.2. PCA0 Interrupt Sources
Figure 25.3 shows a diagram of the PCA interrupt tree. There are five 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, an intermediate overflow flag (COVF), which can be set on an over-
flow from the 8th, 9th, 10th, or 11th bit of the PCA0 counter, and the individual flags for each PCA channel
(CCF0, CCF1, and CCF2), 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, ECOV for COVF,
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.
PCA Counter/Timer 8, 9,
PCA Counter/Timer 16-
10 or 11-bit Overflow
bit Overflow
W
M
P
1
6
n
PCA Module 0
PCA Module 1
PCA Module 2
(for n = 0 to 2)
PCA0CPMn
E
C
O
M
n
C
A
P
P
n
(CCF0)
(CCF1)
(CCF2)
C
N
A
P
n
M
A
T
n
O
G
T
n
W
M
P
n
E
C
C
F
n
C
F
C
R
PCA0CN
Figure 25.3. PCA Interrupt Block Diagram
C
C
F
2
C
C
F
1
C
C
F
0
ECCF0
ECCF1
ECCF2
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
C
P
S
0
E
C
F
0
1
Rev. 1.0
A
R
S
E
L
E
C
O
V
PCA0PWM
C
O
V
F
0
1
C
L
S
E
L
1
C
S
E
L
L
0
C8051T630/1/2/3/4/5
Set 8, 9, 10, or 11 bit Operation
EPCA0
0
1
EA
0
1
Interrupt
Priority
Decoder
193
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