Data Sheet, V1.2, Oct. 2007
XC866
8-Bit Single-Chip Microcontroller
Microcontrollers
Edition 2007-10
Published by Infineon Technologies AG,
81726 München, Germany
©
Infineon Technologies AG 2007.
All Rights Reserved.
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Data Sheet, V1.2, Oct. 2007
XC866
8-Bit Single-Chip Microcontroller
Microcontrollers
XC866 Data Sheet
Revision History:
2007-10
V1.2
Previous Version: V 0.1, 2005-01
V1.0, 2006-02
V1.1, 2006-12
Page
3
13
25
26
29
38
88
89
104
Subjects (major changes since last revision)
Device summary table is updated for Flash 4-Kb and ROM variants.
Footnote is added to MBC pin; description of
V
DDP
pin is updated.
Section on bit protection scheme and access type of register bit field
PASSWD.PASS are updated.
Access type of PAGE bits of all module page registers are corrected to rwh.
Access type of Px_DIR register bits are corrected to rwh
New bullet point on Flash delivery state is added to the feature list.
Digital power supply voltage are differentiated for 5V and 3.3V variants.
New parameters on XTAL1 hysteresis and Voltage on GPIO pins during
V
DDP
power-off condition are added.
Figure on Power-on reset timing is updated.
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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
– 4/8/16 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)
4K/ 8K/16K Bytes Flash
or 8K/16K Bytes ROM
1)
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
5-bit Digital I/O
Compare Unit
16-bit
ADC
10-bit
8-channel
Port 2
8-bit Digital/Analog Input
RAM
256 Bytes
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 bytes Flash
Figure 1
XC866 Functional Units
Data Sheet
1
V1.2, 2007-10
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