SAF-C161U-LF V1.3 Infineon Technologies, SAF-C161U-LF V1.3 Datasheet - Page 229

• 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

Figure 68
Note: Line ’*’ only affected by over/underflows of T3, but NOT by software modifications
Upon a trigger signal T3 is loaded with the contents of the respective timer register (T2
or T4) and the interrupt request flag (T2IR or T4IR) is set.
Note: When a T3OTL transition is selected for the trigger signal, also the interrupt
The reload mode triggered by T3OTL can be used in a number of different
configurations. Depending on the selected active transition the following functions can
be performed:
If both a positive and a negative transition of T3OTL is selected to trigger a reload, the
core timer will be reloaded with the contents of the auxiliary timer each time it overflows
or underflows. This is the standard reload mode (reload on overflow/underflow).
If either a positive or a negative transition of T3OTL is selected to trigger a reload, the
core timer will be reloaded with the contents of the auxiliary timer on every second
overflow or underflow.
Using this “single-transition” mode for both auxiliary timers allows to perform very flexible
pulse width modulation (PWM). One of the auxiliary timers is programmed to reload the
core timer on a positive transition of T3OTL, the other is programmed for a reload on a
negative transition of T3OTL. With this combination the core timer is alternately reloaded
from the two auxiliary timers.
Data Sheet
T4IN
*)
of T3OTL.
request flag T3IR will be set upon a trigger, indicating T3’s overflow or underflow.
Modifications of T3OTL via software will NOT trigger the counter function of T2/T4.
Source/Edge
Select
TxI
Input
Clock
GPT1 Auxiliary Timer in Reload Mode
Reload Register Tx
Core Timer T3
Up/Down
229
T3OTL
T3OE
General Purpose Timer Unit
Interrupt
Request
Interrupt
Request
T3OUT
MCB02035C161U
2001-04-19
x = (2, 4)
C161U