C8051F987-GMR Silicon Labs, C8051F987-GMR Datasheet - Page 139

• Manufacturer Part Number: C8051F987-GMR
• Description: 8-bit Microcontrollers - MCU 8kB 512B RAM
• Manufacturer: Silicon Labs

Specifications of C8051F987-GMR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

Interrupt Source
Reset
External Interrupt 0 (INT0)
Timer 0 Overflow
External Interrupt 1 (INT1)
Timer 1 Overflow
UART0
Timer 2 Overflow
SPI0
SMB0
SmaRTClock Alarm
ADC0 Window Comparator 0x004B
ADC0 End of Conversion
Programmable Counter
Array
Comparator0
Reserved
Timer 3 Overflow
Supply Monitor Early
Warning
Port Match
SmaRTClock Oscillator Fail
Reserved
CS0 Conversion Complete
CS0 Digital Comparator
CS0 End of Scan
Notes:
1. Indicates a read-only interrupt pending flag. The interrupt enable may be used to prevent software from
2. Indicates a register located in an indirect memory space.
vectoring to the associated interrupt service routine.
Interrupt
Vector
0x00AB
0x000B
0x001B
0x002B
0x003B
0x005B
0x006B
0x007B
0x008B
0x009B
0x00A3
0x0000
0x0003
0x0013
0x0023
0x0033
0x0043
0x0053
0x0063
0x0073
0x0083
0x0093
Table 13.1. Interrupt Summary
Priority
Order
Top
10
12
13
14
15
16
17
18
19
20
21
11
0
1
2
3
4
5
6
7
8
9
Pending Flag
None
IE0 (TCON.1)
TF0 (TCON.5)
IE1 (TCON.3)
TF1 (TCON.7)
RI0 (SCON0.0)
TI0 (SCON0.1)
TF2H (TMR2CN.7)
TF2L (TMR2CN.6)
SPIF (SPI0CN.7) 
WCOL (SPI0CN.6)
MODF (SPI0CN.5)
RXOVRN (SPI0CN.4)
SI (SMB0CN.0)
ALRM (RTC0CN.2)
AD0WINT (ADC0CN.3)
AD0INT (ADC0CN.5)
CF (PCA0CN.7)
CCFn (PCA0CN.n)
CP0FIF (CPT0CN.4)
CP0RIF (CPT0CN.5)
TF3H (TMR3CN.7)
TF3L (TMR3CN.6)
VDDOK (VDM0CN.5)
None
OSCFAIL (RTC0CN.5)
CS0INT (CS0CN.5)
CS0CMPF (CS0CN.0)
CS0EOS (CS0CN.6)
Rev. 1.1
C8051F99x-C8051F98x
2
1
2
N/A N/A
Y
Y
Y
Y
Y
Y
Y
Y
N
Y
Y
Y
N
N
N
N
Y
Y
Y
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
Y
Y
Y
Y
Enable Flag
ESPI0 (IE.6) PSPI0 (IP.6)
EX0 (IE.0)
ET0 (IE.1)
EX1 (IE.2)
ET1 (IE.3)
ES0 (IE.4)
ET2 (IE.5)
EWADC0
ECSEOS
ECSCPT
EARTC0
ERTC0F
Enabled
(EIE1.0)
(EIE1.1)
(EIE1.2)
(EIE1.3)
(EIE1.4)
(EIE1.5)
(EIE1.7)
EWARN
(EIE2.0)
(EIE2.1)
(EIE2.2)
(EIE2.4)
(EIE2.5)
(EIE2.6)
ECSDC
ESMB0
EADC0
EPCA0
Always
ECP0
EMAT
ET3
Priority
Control
PX0 (IP.0)
PT0 (IP.1)
PX1 (IP.2)
PT1 (IP.3)
PS0 (IP.4)
PT2 (IP.5)
PFRTC0F
PWADC0
PCSEOS
PCSCPT
PARTC0
(EIP1.0)
(EIP1.1)
(EIP1.2)
(EIP1.3)
(EIP1.4)
(EIP1.5)
(EIP1.7)
PWARN
(EIP2.0)
(EIP2.1)
(EIP2.2)
(EIP2.4)
(EIP2.5)
(EIP2.6)
PCSDC
Highest
PSMB0
PPCA0
Always
PADC0
PCP0
PMAT
PT3
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