SAF-C161U-LF V1.3 Infineon Technologies, SAF-C161U-LF V1.3 Datasheet - Page 180
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
1.SAF-C161U-LF_V1.3.pdf
(469 pages)
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
SAFC161ULFV13XP
SP000007502
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Data Sheet
Figure 44
Demultiplexed Bus Modes
In the demultiplexed bus modes the 16-bit intra-segment address is permanently output
on PORT1, while the data uses PORT0 (16-bit data) or P0L (8-bit data).
The upper address lines are permanently output on Port 4 (if selected via SALSEL during
reset). No address latches are required.
The EBC initiates an external access by placing an address on the address bus. After a
programmable period of time the EBC activates the respective command signal (RD,
WR, WRL, WRH). Data is driven onto the data bus either by the EBC (for write cycles)
or by the external memory/peripheral (for read cycles). After a period of time, which is
determined by the access time of the memory/peripheral, data become valid.
Read cycles: Input data is latched and the command signal is now deactivated. This
causes the accessed device to remove its data from the data bus which is then tri-stated
again.
Write cycles: The command signal is now deactivated. If a subsequent external bus
cycle is required, the EBC places the respective address on the address bus. The data
remain valid on the bus until the next external bus cycle is started.
Segment (P4)
BUS (P0)
BUS (P0)
ALE
WR
RD
Multiplexed Bus Cycle
Address
Address
180
Bus Cycle
Address
Data/Instr.
Data
External Bus Interface
2001-04-19
C161U
MCT02060
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