SAF-C161U-LF V1.3 Infineon Technologies, SAF-C161U-LF V1.3 Datasheet - Page 388

• 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

Data Sheet
20.4.2
A clock output signal with programmable frequency (f
This clock signal is generated via a reload counter, so the output frequency can be
selected in small steps. An optional toggle latch provides a clock signal with a 50% duty
cycle.
Signal f
• When f
• When f
Figure 119
Register FOCON provides control over the output signal generation.
FOCON (FFAA
FOEN
Bit
FOCNT
FOTL
FORV
15
rw
’0’.
FOEN
f
CPU
FOSS
14
rw
OUT
OUT
OUT
Clock Output Frequency Control
always provides complete output periods (see Signal Waveforms below):
13
is started (FOEN-->’1’) FOCNT is loaded from FORV
is stopped (FOEN-->’0’) FOCNT is stopped when f
H
Clock Output Signal Generation
Ctrl.
Function
Frequency Output Counter
Frequency Output Toggle Latch
Is toggled upon each underflow of FOCNT.
Frequency Output Reload Value
Is copied to FOCNT upon each underflow of FOCNT.
/ D5
12
H
)
11
FORV
rw
10
FOCNT
FORV
9
8
SFR-b
388
7
-
-
FOTL
FOTL
rw
6
OUT
5
System Control Unit (CSCU)
FOSS
) can be output via pin FOUT.
MUX
4
OUT
Reset Value: 0000
3
FOCNT
has reached (or is)
rw
2
f
OUT
2001-04-19
1
C161U
0
H