SAF-C161U-LF V1.3 Infineon Technologies, SAF-C161U-LF V1.3 Datasheet - Page 119

• Manufacturer Part Number: SAF-C161U-LF V1.3
• Description: IC MCU ISDN 16BIT TTL TQFP-100
• Manufacturer: Infineon Technologies
• Series: C16xxr

Specifications of SAF-C161U-LF V1.3

• Core Processor: C166
• Core Size: 16-Bit
• Speed: 36MHz
• Connectivity: EBI/EMI, SPI, UART/USART, USB
• Peripherals: POR, PWM, WDT
• Number Of I /o: 56
• Program Memory Type: ROMless
• Ram Size: 3K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LFQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Other names: SAFC161ULFV1.3X; SAFC161ULFV13XP; SP000007502

The 19 interrupt sources (excluding PEC requests) are so assigned to 3 classes of
priority rather than to 7 different levels, as the hardware support would do.
Table 24
Data Sheet
ILVL
(Priority
)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
GLVL
3
X
X
X
X
X
X
X
Software controlled Interrupt Classes (Example)
2
X
X
X
X
1
X
X
X
X
0
X
X
X
X
Interpretation
PEC service on up to 8 channels
Interrupt Class 1
5 sources on 2 levels
Interrupt Class 2
9 sources on 3 levels
Interrupt Class 3
5 sources on 2 levels
No service!
119
Interrupt and Trap Functions
2001-04-19
C161U