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參數(shù)資料
| 型號： | PC87782 |
| 文件頁數(shù)： | 2/17頁 |
| 文件大?。?/td> | 114K |
| 代理商： | PC87782 |
2
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General Description
(continued)
Each PC87782 device has 16 kbytes of mask-programmed
ROM, 2,784 bytes of on-chip static RAM, a Host Interface, a
LAN Interface, a System Management (Access.bus) Inter-
face, a fan-speed timer, an A/D converter, a D/A converter,
WATCHDOG protection, and a set of general-purpose I/O
pins.
The PC87782 is available in 100-pin and 160-pin PQFP
packages. The 160-pin device provides development sup-
port and offers the additional ability to use off-chip memory
and I/O.
The PC87782 device is driven by a slow (32.768 kHz) oscil-
lator. An on-chip clock circuit generates a high-speed clock
to drive the device for normal operation, at a programmable
rate ranging from 4 MHz to 20 MHz. The device supports a
power save mode called the Idle mode, which is combined
with multi-source interrupt and wake-up capabilities.
Features
(continued)
I
I/O Features
— Up to 40 general-purpose I/O pins (shared with on-chip
peripheral I/O pins)
— Programmable I/O pin characteristics: TRI-STATE
output, push-pull output, weak pull-up input, high-im-
pedance input
— Schmitt trigger inputs on all I/O ports
— External memory and I/O support in 160-pin device
I
Power Supply
— 4.5V to 5.5V single-supply operation
I
Temperature Range
— -40
°
C to +85
°
C extended temperature range
I
Package Types
— 160-pin PQFP
— 100-pin PQFP
I
Development Support
— Real-time emulation and full program debug capabili-
ties supported by 160-pin device
— CompactRISC tool set provides C programming and
debugging support
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