SAF-C505C-2RM View Datasheet(PDF) - Infineon Technologies

Part Name

Description

Manufacturer

SAF-C505C-2RM

8-bit Single-Chip Microcontroller

Infineon Technologies 

C505 / C505C

C505A / C505CA

OTP Memory Operation (C505A-4E and C505CA-4E only)

The C505A-4E/C505CA-4E contains a 32K byte one-time programmable (OTP) program memory.

With the C505A-4E/C505CA-4E fast programming cycles are achieved (1 byte in 100 µsec). Also

several levels of OTP memory protection can be selected.

For programming of the device, the C505A-4E/C505CA-4E must be put into the programming

mode. This typically is done not in-system but in a special programming hardware. In the

programming mode the C505A-4E/C505CA-4E operates as a slave device similar as an EPROM

standalone memory device and must be controlled with address/data information, control lines, and

an external 11.5V programming voltage. Figure 26 shows the pins of the C505A-4E/C505CA-4E

which are required for controlling of the OTP programming mode.

VDD VSS

A0-A7 /

A8-A14

PALE

PMSEL0

PMSEL1

XTAL1

XTAL2

Port 2

Port 0

C505A-4E

C505CA-4E

D0-D7

EA/VPP

PROG

PRD

RESET

PSEN

PSEL

Figure 26

Programming Mode Configuration

Data Sheet

50

08.00

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