SAF-C161U-LF V1.3 Infineon Technologies, SAF-C161U-LF V1.3 Datasheet - Page 63

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SAF-C161U-LF V1.3

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

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
C161U
Central Processor Unit
5.3
Instruction State Times
Basically, the time to execute an instruction depends on where the instruction is fetched
from, and where possible operands are read from or written to. The fastest processing
mode of the C161U is to execute a program fetched from the internal code memory. In
that case most of the instructions can be processed within just one machine cycle, which
is also the general minimum execution time.
All external memory accesses are performed by the C161U’s on-chip External Bus
Controller (EBC), which works in parallel with the CPU.
This section summarizes the execution times in a very condensed way. A detailled
description of the execution times for the various instructions and the specific exceptions
can be found in the “C16x Family Instruction Set Manual”.
The table below shows the minimum execution times required to process a C161U
instruction fetched from the internal RAM or from external memory. These execution
times apply to most of the C161U instructions - except some of the branches, the
multiplication, the division and a special move instruction. The numbers in the table are
in units of [ns], refer to a CPU clock of 20 MHz and assume no waitstates.
Data Sheet
63
2001-04-19

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