C8051F537-ITR Silicon Labs, C8051F537-ITR Datasheet - Page 99
![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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18 system clock cycles: 1 clock cycle to detect the interrupt, 5 clock cycles to execute the RETI, 8 clock
cycles to complete the DIV instruction, and 4 clock cycles to execute the LCALL to the ISR. If the CPU is
executing an ISR for an interrupt with equal or higher priority, the new interrupt will not be serviced until the
current ISR completes, including the RETI and following instruction.
Table 10.1. Interrupt Summary
Reset
External Interrupt 0(INT0)
Timer 0 Overflow
External Interrupt 1(INT0)
Timer 1 Overflow
UART
Timer 2 Overflow
SPI0
ADC0 Window Compara-
tor
ADC0 End of Conversion
Programmable Counter
Array
Comparator Falling Edge
Comparator Rising Edge
LIN Interrupt
Voltage Regulator Dropout 0x006B
Port Match
Note: Software must set the RSTINT bit (LINCTRL.3) to clear the LININT flag.
Interrupt Source
Interrupt
0x005B
0x0000
0x0003
0x000B
0x0013
0x001B
0x0023
0x002B
0x0033
0x003B
0x004B
0x0053
0x0063
0x0073
0x0043
Vector
Priority
Order
Top
10
11
12
13
14
0
1
2
3
4
5
6
7
8
9
RXOVRN (SPI0CN.4)
AD0INT (ADC0CN.5)
CP0RIF (CPT0CN.5)
CP0FIF (CPT0CN.4)
Rev. 1.4
TF2H (TMR2CN.7)
CCFn (PCA0CN.n)
WCOL (SPI0CN.6)
MODF (SPI0CN.5)
TF2L (TMR2CN.6)
LININT (LINST.3)
SPIF (SPI0CN.7)
CF (PCA0CN.7)
RI0 (SCON0.0)
TI0 (SCON0.1)
Pending Flag
TF0 (TCON.5)
TF1 (TCON.7)
IE0 (TCON.1)
IE1 (TCON.3)
(ADC0CN.3)
AD0WINT
None
N/A
N/A
C8051F52x/F53x
N/A N/A
N/A N/A
N/A N/A
Y
Y
Y
Y
N
N
N
Y
Y
Y
Y
Y
Y
N*
N
N
N
N
N
N
N
N
Y
Y
Y
Y
EX0 (IE.0) PX0 (IP.0)
EX1 (IE.2) PX1 (IP.2)
ES0 (IE.4) PS0 (IP.4)
ET0 (IE.1)
ET1 (IE.3)
ET2 (IE.5)
EWADC0
Enabled
(EIE1.0)
(EIE1.1)
(EIE1.2)
(EIE1.3)
(EIE1.4)
(EIE1.5)
(EIE1.6)
(EIE1.7)
EADC0
EREG0
Enable
EPCA0
Always
ESPI0
ECPF
ECPR
EMAT
(IE.6)
ELIN
Flag
PT0 (IP.1)
PT1 (IP.3)
PT2 (IP.5)
PWADC0
(EIP1.0)
(EIP1.1)
(EIP1.2)
(EIP1.3)
(EIP1.4)
(EIP1.5)
(EIP1.6)
(EIP1.7)
Priority
Control
Highest
PREG0
PADC0
PPCA0
Always
PSPI0
PCPR
PMAT
PCPF
(IP.6)
PLIN
99
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