C8051F021-GQ Silicon Laboratories Inc, C8051F021-GQ Datasheet - Page 252

IC 8051 MCU 64K FLASH 64TQFP

C8051F021-GQ

Manufacturer Part Number
C8051F021-GQ
Description
IC 8051 MCU 64K FLASH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F02xr
Datasheets

Specifications of C8051F021-GQ

Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
64-TQFP, 64-VQFP
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
32
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x8b, 8x12b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F0x
Core
8051
Data Bus Width
8 bit
Data Ram Size
4.25 KB
Interface Type
I2C/SMBus/SPI/UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Operating Supply Voltage
2.7 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
C8051F020DK
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 8-bit or 8-ch x 12-bit
On-chip Dac
2-ch x 12-bit
No. Of I/o's
32
Ram Memory Size
4352Byte
Cpu Speed
25MHz
No. Of Timers
5
No. Of Pwm Channels
5
Rohs Compliant
Yes
Data Rom Size
64 KB
A/d Bit Size
12 bit
A/d Channels Available
8
Height
1.05 mm
Length
10 mm
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Width
10 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1200 - DEV KIT FOR F020/F021/F022/F023
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1201

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22
C8051F020/1/2/3
23.2. 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 Modu-
lator. 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 23.2 summarizes the bit settings in the PCA0CPMn registers used to select the PCA0 capture/compare mod-
ule’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 recognized. PCA0 interrupts are
globally enabled by setting the EA bit (IE.7) and the EPCA0 bit (EIE1.3) to logic 1. See Figure 23.3 for details on the
PCA interrupt configuration.
252
PWM16 ECOM CAPP CAPN
Timer Overflow
PCA Counter/
X
X
X
X
X
X
0
1
W
P
M
1
6
n
PCA Module 0
PCA Module 1
PCA Module 2
PCA Module 3
PCA Module 4
Table 23.2. PCA0CPM Register Settings for PCA Capture/Compare Modules
(for n = 0 to 4)
PCA0CPMn
O
M
E
C
n
C
A
P
P
(CCF0)
(CCF1)
(CCF2)
(CCF3)
(CCF4)
n
C
N
A
P
n
X = Don’t Care
M
A
T
n
O
G
T
n
X
X
X
1
1
1
1
1
W
P
M
n
E
C
C
F
n
C
F
C
R
PCA0CN
1
0
1
0
0
0
0
0
C
C
F
4
C
C
F
3
C
C
F
2
C
C
F
1
Figure 23.3. PCA Interrupt Block Diagram
C
C
F
0
ECCF0
ECCF1
ECCF2
ECCF3
ECCF4
0
1
1
0
0
0
0
0
C
D
L
I
PCA0MD
C
P
S
2
MAT
C
P
S
1
X
X
X
0
1
0
1
0
1
0
1
0
1
0
0
0
1
1
C
P
S
0
C
E
F
0
1
TOG
0
0
0
0
1
1
0
0
Rev. 1.4
PWM ECCF Operation Mode
0
0
0
0
0
1
1
1
X
X
X
X
X
X
X
X
Capture triggered by negative edge on
Capture triggered by positive edge on
Capture triggered by transition on
16-Bit Pulse Width Modulator
8-Bit Pulse Width Modulator
(EIE1.3)
EPCA0
High Speed Output
Frequency Output
Software Timer
0
1
CEXn
CEXn
CEXn
(IE.7)
EA
0
1
Interrupt
Priority
Decoder

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