SAF-C161U-LF V1.3 Infineon Technologies, SAF-C161U-LF V1.3 Datasheet - Page 36

• 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
4. All AC and DC specifications described in Chapter 24, "AC/DC Characteristics" must
5. The input frequency of the internal oscillator circuit is 4 MHz up to 20 MHz. This
6. In direct drive mode, the internal oscillator circuit is bypassed. The clock input
Figure 7
Pin 15
XTAL1
be fulfilled.
applies only, if an external crystal is used.
frequency range is 4 MHz up to 36 MHz.
Pin 16
XTAL2
f
XTAL
Detector
Phase
OSC
C161U General Clock Concept
Divider 1/6
Feedback
Pin 13
clkmode
Mux
Charge
Pump
f
OSC
Detection
common mode feedback
Lock
CLOCK UNIT
Filter
Loop
Div1
% 2
OWD
36
Mux
SYSCON2.10:14
(288 MHz
Reload
@ 8 MHz)
Slow
Down
Divider
VCO
Mux
control signals
Mux
CPU Divider
1/(6,8,12,24)
USB Divider
Div2
% 2
1/6 (fixed)
Clock
Control
Unit
Architectural Overview
PLL UNIT
Mux
CLKCFG
(SYSCON: P0H7:5)
SYSCON2.7
USB_Clock
(must be 48 MHz)
f
USB
Main CPU_Clock
f
2001-04-19
CPU
= f
C161U
= f
IN
Pin 30
clockout
x 6
IN
x F