C8051F521A-IM Silicon Laboratories Inc, C8051F521A-IM Datasheet - Page 133
C8051F521A-IM
Manufacturer Part Number
C8051F521A-IM
Description
IC 8051 MCU 8K FLASH 10DFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F52xr
Specifications of C8051F521A-IM
Program Memory Type
FLASH
Program Memory Size
8KB (8K x 8)
Package / Case
10-DFN
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
6
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.25 V
Data Converters
A/D 6x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
C8051F5x
Core
8051
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI/UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
6
Number Of Timers
3
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F500DK
Minimum Operating Temperature
- 40 C
On-chip Adc
6-ch x 12-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1488 - KIT DEV C8051F53XA, C8051F52XA770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1455 - ADAPTER PROGRAM TOOLSTICK F520
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1490-5
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SFR Definition 13.13. P0SKIP: Port0 Skip
SFR Definition 13.14. P1MAT: Port1 Match
SFR Definition 13.15. P1MASK: Port1 Mask
Bits7–0: P1MAT[7:0]: Port1 Match Value.
Bits7–0: P1SKIP[7:0]: Port1 Crossbar Skip Enable Bits.
Bits7–0: P1MASK[7:0]: Port1 Mask Value.
R/W
R/W
Bit7
R/W
Bit7
Bit7
These bits control the value that unmasked P0 Port pins are compared against. A Port
Match event is generated if (P1 & P1MASK) does not equal (P1MAT & P1MASK).
These bits select Port pins to be skipped by the Crossbar Decoder. Port pins used as ana-
log inputs (for ADC or Comparator) or used as special functions (V
lator circuit, CNVSTR input) should be skipped by the Crossbar.
0: Corresponding P1.n pin is not skipped by the Crossbar.
1: Corresponding P1.n pin is skipped by the Crossbar.
These bits select which Port pins will be compared to the value stored in P1MAT.
0: Corresponding P1.n pin is ignored and cannot cause a Port Match event.
1: Corresponding P1.n pin is compared to the corresponding bit in P1MAT.
R/W
R/W
Bit6
R/W
Bit6
Bit6
R/W
R/W
Bit5
R/W
Bit5
Bit5
R/W
Bit4
R/W
R/W
Bit4
Bit4
C8051F52x/F52xA/F53x/F53xA
Rev. 1.3
R/W
R/W
Bit3
R/W
Bit3
Bit3
R/W
R/W
Bit2
R/W
Bit2
Bit2
R/W
R/W
Bit1
R/W
Bit1
Bit1
REF
SFR Address:
SFR Address:
SFR Address:
input, external oscil-
R/W
Bit0
R/W
R/W
Bit0
Bit0
Reset Value
00000000
Reset Value
00000000
11111111
Reset Value
0xCF
0xBF
0xD4
133
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