T89C51CC02UA-SISIM Atmel, T89C51CC02UA-SISIM Datasheet - Page 124

• Manufacturer Part Number: T89C51CC02UA-SISIM
• Description: IC 8051 MCU FLASH 16K 28PLCC
• Manufacturer: Atmel
• Series: AT89C CANr

Specifications of T89C51CC02UA-SISIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 20
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-PLCC
• For Use With: AT89STK-06 - KIT DEMOBOARD 8051 MCU W/CAN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: T89C51CC02UASISIM

Interrupt System
Introduction
Figure 52. Interrupt Control System
124
T89C51CC02
CEX0:1
AIN1:0
INT0#
INT1#
RxDC
TxDC
RxD
TxD
CAN Timer
Interrupt 0
Interrupt 1
Controller
Converter
External
External
Timer 0
Timer 1
Timer 2
A to D
UART
PCA
CAN
The CAN Controller has a total of 10 interrupt vectors: two external interrupts (INT0 and
INT1), three timer interrupts (timers 0, 1 and 2), a serial port interrupt, a PCA, a CAN
interrupt, a timer overrun interrupt and an ADC. These interrupts are shown below.
ECAN
EADC
IEN1.0
IEN1.1
ETIM
IEN1.2
Interrupt Enable
IEN0.0
IEN0.1
IEN0.2
IEN0.3
IEN0.6
IEN0.4
IEN0.5
EX0
EX1
ET0
ET1
ET2
EC
ES
IEN0.7
EA
Priority Enable
IPH/L
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
Lowest Priority Interrupts
Highest
Priority
Interrupts
4126F–CAN–12/03