Data Sheet, V1.0, Feb 2006
XC866
8-Bit Single-Chip Microcontroller
Microcontrollers
Edition 2006-02
Published by Infineon Technologies AG,
81726 München, Germany
©
Infineon Technologies AG 2006.
All Rights Reserved.
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Data Sheet, V1.0, Feb 2006
XC866
8-Bit Single-Chip Microcontroller
Microcontrollers
XC866 Data Sheet
Revision History:
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2006-02
V1.0
Previous Version: V 0.1, 2005-01
Subjects (major changes since last revision)
LIN support is elaborated in Table 1.
Section 3.2 is updated.
Section 3.3 is updated.
Section 3.4 is updated.
The power-on reset requirements are updated in Section 3.7.
Section 3.7 is updated.
Table 19 is updated with a new range of the f
VCOFREE
parameter.
Section 3.12 is updated.
Section 3.13 is updated.
Figure 34 is updated with the removal of OCDS interrupt.
Section 4.1.2 is updated.
Section 4.1.3 is updated.
Section 4.2.1 is updated.
Section 4.2.2 is updated.
Section 4.2.4 is updated.
“Testing Waveforms” is updated in Section 4.3.1.
Section 4.3.3 is updated.
Figure 40 is updated.
“Quality Declaration” is updated in Section 5.2.
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8-Bit Single-Chip Microcontroller
XC800 Family
XC866
1
Summary of Features
• High-performance XC800 Core
– compatible with standard 8051 processor
– two clocks per machine cycle architecture (for memory access without wait state)
– two data pointers
• On-chip memory
– 8 Kbytes of Boot ROM
– 256 bytes of RAM
– 512 bytes of XRAM
– 8/16 Kbytes of Flash; or
8/16 Kbytes of ROM, with additional 4 Kbytes of Flash
(includes memory protection strategy)
• I/O port supply at 3.3 V/5.0 V and core logic supply at 2.5 V (generated by embedded
voltage regulator)
(further features are on next page)
Flash or ROM
1)
8K/16K x 8
On-Chip Debug Support
UART
SSC
Port 0
6-bit Digital I/O
Boot ROM
8K x 8
XC800 Core
XRAM
512 x 8
Capture/Compare Unit
16-bit
Port 1
5-bit Digital I/O
Compare Unit
16-bit
ADC
10-bit
8-channel
Port 2
8-bit Digital/Analog Input
RAM
256 x 8
Timer 0
16-bit
Timer 1
16-bit
Timer 2
16-bit
Watchdog
Timer
Port 3
8-bit Digital I/O
1) All ROM devices include 4K x 8 Flash
Figure 1
XC866 Functional Units
Data Sheet
1
V1.0, 2006-02
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