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Application Specific Family
8XC51SL Microcontroller
The 8XC51SL is an integrated keyboard controller designed for power-sensitive,
portable PCs. It offers functions such as a UPI host interface, keyboard scanning,
power management, temperature/battery monitoring and external keyboard/mouse interface.
Package option includes PQFP 100ld and SQFP 100ld, with 5V and 3.3V operations.
FEATURES |
BENEFITS |
Same instruction set as MCS®
51 controllers; software compatible with 80C51 |
Synergy. Preserves design
team knowledge and investment; no training required |
Integration of 80C42-type host interface and keyboard scan |
Single-chip solution. Saves board space and lowers system cost,
especially in small notebook environment |
Four channels, 8-bit A/D |
Monitoring. Battery/CPU temperature and voltage monitoring |
Interface for up to 32K of external memory |
Flexibility. Accommodates larger code; flexibility in manufacturing flow |
Five LED drivers |
Reduces parts. Eliminates external discrete components |
Two serial interfaces |
Support. Provides external serial keyboard and mouse support |
Additional power management register set, 3.3V operation |
Efficiency. Enhanced power management function; provides greater power savings |
100LD PQFP and SQFP packages |
Saves space. Small package size for board space savings |
83C51KB Microcontroller
The 83C51KB is a highly integrated keyboard controller designed for the standard and
advanced keyboards for desktop PC's. The integration of external components into the
microcontroller reduces the overall keyboard control manufacturing cost in terms of
the number of components used, the amount of PCB space required, reduced inventory
and a reduction in the required assembly activities. Available in 40L PDIP package.
FEATURES |
BENEFITS |
Same instruction set as MCS 51 controllers |
Synergy. Preserves code and knowledge investment |
Direct drive LED outputs (13mA current sink capability) |
Reduces parts. Reduce components cost and board space |
20pF on-chip cap for RC resonator (4-6 MHz selectable frequency) |
Cost effective. External crystal not required |
Integrated power-on-reset circuitry |
Integration. Cost and space savings |
8 dedicated Key Scan Input pins |
Efficiency. With external interrupts for power management |
16 dedicated Key Scan Output pins with Quasi-bidirectional port drivers |
Flexibility. No external resistors required and flexible board design |
Clock/Data drivers to host:
- Strong pull-up
- 8x42 compatible
- Selectable external interrupt for interface clock pin
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Enhancement. Reduce component costs and provide
efficient power management and compatibility |
128B RAM with 128 bits that are bit-addressable |
Control. Code flexibility and easier control |
Keyboard Hardware Using 83C51KB
8XC51GB Microcontroller
The 8XC51GB is an enhanced version of the 8XC51FA. Added features make it an
even more powerful microcontroller for applications that require on-chip A/D,
pulse width modulation, high-speed I/O, up/down counting capabilities and
memory protection features. It also has a more versatile serial channel that
facilitates multiprocessor communications.
FEATURES |
BENEFITS |
Same instruction set as MCS® 51 microcontrollers and is software compatible with 80C51 |
Synergy. Preserves design team knowledge and investment; no training required |
Enhanced interrupt structure with:
- 15 vectors (7 external, 8 internal)
- 4 programmable priority-level applications
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Flexibility. Flexible and comprehensive interrupt handling capacity for interrupt-intensive applications; reduces CPU overhead to define proper interrupt routing for heavy interrupt-driven applications. |
8-channel, 8-bit A/D converter:
- eight 8-bit result registers
- four programmable modes
- automatic comparator reference
- trigger input pin
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A/D conversions. Intelligent, accurate A/D conversions allow:
- sequential A/D (one per channel)
- two start and sequencing modes to address any application need
- more precise A/D conversions
- minimal CPU overhead, simple interface
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Two programmable counter arrays |
Precision. Precise event timing measurement and control capabilities |
Half-duplex synchronous serial port |
Peripherals. More I/O peripherals expansion, such as off-chip (EEPROM) |
8XC152JX Microcontroller
The 8XC152JA/JB/JC/JD, based on the MCS(R) 51 microcontroller architecture core, is a highly
integrated, single-chip, 8-bit microcontroller designed for cost-sensitive, high-speed,
multi-protocol serial communications. It is ideal for implementing ISDN, LAN and user-defined
serial backplane applications.
FEATURES |
BENEFITS |
Same instruction set as MCS 51 microcontrollers; software compatible with 80C51 |
Synergy. Preserves design team knowledge/investment; no training required |
Fast data transfer with global serial channel |
Effective. High effective data-rate throughput |
Serial protocol |
Cost effective. Cheaper and can be more reliable than parallel communications; easy to add and subtract nodes |
Dual DMA channels |
Efficient. Frees CPU for other tasks; on-chip DMA controller simplifies system design and reduces board space |
SDLC and other HDLC subsets |
Compatible. Supports proprietary and emerging ISDN applications such as PABX linecards and terminal adapters, and other proprietary networks as in programmable logic controllers |
Carrier sense multiple-access/collision detect |
Compatible. Supports IEEE 8023 defined access and other proprietary access methods |
Deterministic collision resolution scheme |
Unique. Determines worst-case access time; allows CSMA/CD to be used in real-time control environments; combines some of the best features of traditional methods-deterministic protocol with no polling overhead |
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