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參數(shù)資料
| 型號： | TC93P27F |
| 廠商： | Toshiba Corporation |
| 英文描述： | TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic |
| 中文描述： | 東芝的CMOS數(shù)字集成電路硅單片 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大小： | 206K |
| 代理商： | TC93P27F |
TC93P27F
2002-11-18
2
29 I/O ports: 27 input/output programmable in 1-bit units, 1 output-only port, and 1 input-only port. The 2 IF
IN
,
and DO1 pins can be switched by instruction to IN1 (input-only) or OT2 (output-only). In addition, 9 output
LCD output pins for S17 to S25 can be switched to I/O port in 1-bit units.
Three backup modes available by instruction: only CPU operation, crystal oscillation only, clock stop.
Features a built-in 2-Hz timer F/F and a built-in 10/100 Hz interval pulse outputs (internal port for time base).
Allows PLL lock status detection.
Four of the LCD segment outputs (S22 to S25) can also operate as key return timing outputs (KR0 to KR3). The
I/O ports are not dedicated for key return timing outputs but can have other uses as well.
Built-in 20-bit, general-purpose IF counters can detect stations during auto-tuning by counting the intermediate
frequencies of each band.
Built-in buzzer output circuit can output 8 kinds of frequencies in 4 modes: continuous output, single-shot
output, 10-Hz intermittent output, and 10-Hz intermittent 1-Hz interval output.
Features built-in 12-bit PWM circuit usable for easy-to-use D/A converter.
Features a built-in 3-channel, 6-bit A/D converter.
To prevent CPU malfunction, a built-in supply voltage drop detection circuit shuts down the CPU when the
voltage falls below 1.55 V.
MASK ROM product: TC9327AF
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