SAF-C161U-LF V1.3 Infineon Technologies, SAF-C161U-LF V1.3 Datasheet - Page 280

• 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
Figure 86
Using the fixed Input Clock Divider
The baudrate for asynchronous operation of serial channel ASC when using the fixed
input clock divider ratios (CON_FDE=0) and the required reload value for a given
baudrate can be determined by the following formulas :
Table 58
FDE
0
f
MOD
R
BRS
0
1
ASC Baudrate Generator Circuitry in Asynchronous Modes
Asynchronous Baudrate Formulas using the Fixed Input Clock
Dividers
Fractional
Divider
÷2
÷3
BG
0 ... 8191
FDE
BRS
Mux
Formula
f
DIV
280
FDE
0
0
1
13-Bit Reload Register
13-Bit Baudrate Timer
Asynchronous/Synchr. Serial Interface
Baudrate =
Baudrate =
BG =
BG =
BRS
0
1
X
48 x Baudrate
48 x (BG+1)
32 x (BG+1)
32 x Baudrate
f
f
MOD
f
f
MOD
MOD
MOD
f
BRT
Selected Divider
÷ 2
÷ 3
Fractional Divider
÷16
- 1
- 1
f
BR
2001-04-19
C161U
Baud
Rate
Clock
Sample
Clock