Q67121-C1068 查看數據表（PDF） - Infineon Technologies

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Q67121-C1068

8-Bit CMOS Microcontroller

Infineon Technologies 

8-Bit CMOS Microcontroller

C515A

Advance Information

• Full upward compatibility with SAB 80C515A/83C515A-5

• Up to 24 MHz external operating frequency

– 500 ns instruction cycle at 24 MHz operation

• 32K byte on-chip ROM (with optional ROM protection)

– alternatively up to 64K byte external program memory

• Up to 64K byte external data memory

• 256 byte on-chip RAM

• 1K byte on-chip RAM (XRAM)

• Six 8-bit parallel I/O ports

• One input port for analog/digital input

• Full duplex serial interface (USART)

– 4 operating modes, fixed or variable baud rates

• Three 16-bit timer/counters

– Timer 0 / 1 (C501 compatible)

– Timer 2 for 16-bit reload, compare, or capture functions

(further features are on next page)

Oscillator

Watchdog

Watchdog

Timer

XRAM

1Kx8

RAM

256 x 8

Port 0

I/O

T0

Port 1

I/O

10-Bit

Power A / D Converter

T2

CPU

USART

Saving

Modes

T1

Port 2

I/O

Port 6 Port 5 Port 4

ROM

32 k x 8

Port 3

I/O

Analog / I / O I / O

Digital

Input

Figure 1

C515A Functional Units

Semiconductor Group

3

MCA03239

1997-10-01

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