C8051F537-ITR Silicon Labs, C8051F537-ITR Datasheet - Page 125
![no-image](/images/no-image-200.jpg)
C8051F537-ITR
Manufacturer Part Number
C8051F537-ITR
Description
8-bit Microcontrollers - MCU 2KB 12ADC 125C 20Pin MCU
Manufacturer
Silicon Labs
Datasheet
1.C8051F536-ITR.pdf
(220 pages)
Specifications of C8051F537-ITR
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
2 KB
Data Ram Size
256 B
On-chip Adc
Yes
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
A/d Bit Size
12 bit
A/d Channels Available
16
Interface Type
SPI, UART
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
16
Number Of Timers
3
On-chip Dac
No
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
2500
Supply Voltage - Max
2.7 V, 5.25 V
Supply Voltage - Min
2 V, 2.7 V
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Registers XBR0 and XBR1 are used to assign the digital I/O resources to the physical I/O Port pins. Note
that when the SMBus is selected, the Crossbar assigns both pins associated with the SMBus (SDA and
SCL); when the UART is selected, the Crossbar assigns both pins associated with the UART (TX and RX).
UART0 pin assignments are fixed for bootloading purposes: UART TX0 is always assigned to P0.3 or
P0.4*; UART RX0 is always assigned to P0.4 or P0.5*. Standard Port I/Os appear contiguously starting at
P0.0 after prioritized functions and skipped pins are assigned.
Note: Refer to Section “20. Device Specific Behavior” on page 210.
Figure 13.6. Crossbar Priority Decoder with Some Pins Skipped (DFN 10)
Note: 4-Wire SPI Only.
SF Signals DFN 10
PIN I/O
TX0
RX0
TX0
RX0
SCK
MISO
MOSI
NSS*
LIN-TX
LIN-RX
CP0
CP0A
/SYSCLK
CEX0
CEX1
CEX2
ECI
T0
T1
SF Signals
Port pin potentially assignable to peripheral
Special Function Signals are not assigned by the crossbar.
When these signals are enabled, the Crossbar must be manually configured
to skip their corresponding port pins.
0
0
P0SKIP[0:5] = 0x06
1
1
2
1
P0
3
0
4
0
Rev. 1.4
5
0
C8051F52xA/F52x-C
C8051F52x devices
devices
C8051F52x/F53x
125
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