C511 datasheet(4/43 Pages) SIEMENS

4 / 43 page

Semiconductor Group

C511 / C513

The C511, C511A, C513, C513A, and C513A-H are members of a family of low cost micro-

controllers, which are software compatible with the components of the SAB 8051, SAB 80C51 and

C500 families.

The first four versions contains a non-volatile read-only (ROM) program memory. The C513A-H is

a version with a 12 Kbyte EEPROM instead of ROM. This device can be used for prototype designs

which have a demand for reprogrammable on-chip code memory.

The members of the microcontroller family differ in functionality according table 1. They offer

different ROM sizes, different RAM/XRAM sizes and a different timer/USART configuration.

Common to all devices is an advanced SSC serial port, a second synchronous serial interface,

which is compatible to the SPI serial bus industry standard. The functionality of the C513A-H is a

superset of all ROM versions of the C511/C513 family.

Table 1

Functionality of the C511/C513 MCUs

1) T0/T1 refers to the standard 8051 timer 0/1 units, T2 refers to the 8052 timer 2 unit.

Figure 1

C511/513 Logic Symbol

Device

ROM Size

EEPROM

Size

RAM

Size

XRAM

Size

Timers 1)

USART

SSC

C511

2.5 KB

–

128 B

–

T0, T1

–

C511A

4 KB

–

256 B

–

T0, T1

–

C513

8 KB

–

256 B

–

T0, T1, T2

C513A

12, 16 KB

–

256 B

T0, T1, T2

C513A-H

–

12 KB

256 B

T0, T1, T2

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