s908ey16g2vfar Freescale Semiconductor, Inc, s908ey16g2vfar Datasheet - Page 20

• Manufacturer Part Number: s908ey16g2vfar
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

General Description
Features of the CPU08 include:
1.3 MCU Block Diagram
Figure 1-1
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Timebase Module (TBM)
5-bit keyboard wakeup port with software selectable rising or falling edge detect, as well as high-
or low-level detection
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24 general-purpose input/output (I/O) pins
External asynchronous interrupt pin with internal pullup (IRQ)
System protection features:
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Low-power design; fully static with stop and wait modes
Internal pullups on IRQ and RST to reduce customer system cost
Standard low-power modes of operation:
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Master reset pin (RST) and power-on reset (POR)
BREAK module (BRK) to allow single breakpoint setting during
in-circuit debugging
Higher current source capability on nine port lines for LED drive (PTA6/SS, PTA5/SPSCK,
PTA4/KBD4, PTA3/KBD3/RxD, PTA2/KBD2/TxD, PTA1/KBD1, PTA0/KBD0, PTC1/MOSI, and
PTC0/MISO)
Enhanced HC05 programming model
Extensive loop control functions
16 addressing modes (eight more than the HC05)
16-bit index register and stack pointer
Memory-to-memory data transfers
Fast 8 × 8 multiply instruction
Fast 16 ÷ 8 divide instruction
Binary-coded decimal (BCD) instructions
Optimization for controller applications
Third party C language support
32-pin quad flat pack (QFP) package
Programmable for rising/falling edge or high/low level detection
Optional computer operating properly (COP) reset
Illegal opcode detection with reset
Illegal address detection with reset
Wait mode
Stop mode
shows the structure of the MC68HC908EY16A.
MC68HC908EY16A • MC68HC908EY8A Data Sheet, Rev. 1
Freescale Semiconductor