8-Bit
XC864
8-Bit Single-Chip Microcontroller
Data Sheet
V1.1 2009-03
M icr o co n t ro l le r s
Edition 2009-03
Published by
Infineon Technologies AG
81726 Munich, Germany
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©
2009 Infineon Technologies AG
8-Bit
XC864
8-Bit Single-Chip Microcontroller
Data Sheet
V1.1 2009-03
M icr o co n t ro l le r s
XC864 Data Sheet
Revision History:
Previous Version:
Page
3
2009-03
V1.0
V 1.1
Subjects (major changes since last revision)
Modified the paragraph to remove the Automotive quality profile
Changes from V1.0 2008-08 to V1.1 2009-03
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8-Bit Single-Chip Microcontroller
XC800 Family
XC864
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
– 4 Kbytes of Flash for code (and data)
(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)
4K Bytes Flash
On-Chip Debug Support
UART
SSC
Port 0
6-bit Digital I/O
Boot ROM
8K Bytes
XC800 Core
XRAM
512 Bytes
Capture/Compare Unit
16-bit
Port 1
1-bit Digital I/O
Compare Unit
16-bit
ADC
10-bit
4-channel
Port 2
4-bit Digital/Analog Input
RAM
256 Bytes
Timer 0
16-bit
Timer 1
16-bit
Timer 2
16-bit
Watchdog
Timer
Port 3
2-bit Digital I/O
Figure 1
XC864 Functional Units
Data Sheet
1
V 1.1, 2009-03