C8051F502-IMR Silicon Laboratories Inc, C8051F502-IMR Datasheet - Page 185
C8051F502-IMR
Manufacturer Part Number
C8051F502-IMR
Description
MCU 8-Bit C8051F50x 8051 CISC 64KB Flash 2.5V/3.3V/5V 32-Pin QFN EP T/R
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F502-IM.pdf
(312 pages)
Specifications of C8051F502-IMR
Package
32QFN EP
Device Core
8051
Family Name
C8051F50x
Maximum Speed
50 MHz
Ram Size
4.25 KB
Program Memory Size
64 KB
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
25
Interface Type
I2C/SPI/UART
On-chip Adc
32-chx12-bit
Operating Temperature
-40 to 125 °C
Number Of Timers
4
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SFR Definition 20.2. XBR1: Port I/O Crossbar Register 1
SFR Address = 0xE2; SFR Page = 0x0F
Name
Reset
Bit
4:2 PCA0ME[2:0] PCA Module I/O Enable Bits.
Type
7
6
5
1
0
Bit
Reserved
SYSCKE
Name
ECIE
T1E
T0E
R/W
T1E
7
0
T1 Enable.
0: T1 unavailable at Port pin.
1: T1 routed to Port pin.
T0 Enable.
0: T0 unavailable at Port pin.
1: T0 routed to Port pin.
PCA0 External Counter Input Enable.
0: ECI unavailable at Port pin.
1: ECI routed to Port pin.
000: All PCA I/O unavailable at Port pins.
001: CEX0 routed to Port pin.
010: CEX0, CEX1 routed to Port pins.
011: CEX0, CEX1, CEX2 routed to Port pins.
100: CEX0, CEX1, CEX2, CEX3 routed to Port pins.
101: CEX0, CEX1, CEX2, CEX3, CEX4 routed to Port pins.
110: CEX0, CEX1, CEX2, CEX3, CEX4, CEX5 routed to Port pins.
111: Reserved
SYSCLK Output Enable.
0: SYSCLK unavailable at Port pin.
1: SYSCLK output routed to Port pin.
Always Write to 0.
R/W
T0E
6
0
ECIE
R/W
5
0
Rev. 1.2
R/W
4
0
PCA0ME[2:0]
Function
R/W
3
0
C8051F50x/F51x
R
2
0
SYSCKE
R/W
1
0
Reserved
R/W
0
0
185
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