參數(shù)資料
型號: P80C32SBBB,557
廠商: NXP Semiconductors
文件頁數(shù): 3/32頁
文件大小: 0K
描述: IC 80C51 MCU 256 ROMLESS 44-QFP
產(chǎn)品培訓模塊: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
標準包裝: 480
系列: 80C
核心處理器: 8051
芯體尺寸: 8-位
速度: 16MHz
連通性: UART/USART
外圍設(shè)備: POR
輸入/輸出數(shù): 32
程序存儲器類型: ROMless
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: 0°C ~ 70°C
封裝/外殼: 44-QFP
包裝: 托盤
其它名稱: 935255820557
P80C32SBBB
P80C32SBBB-ND
Philips Semiconductors
Product specification
80C31/80C32
80C51 8-bit microcontroller family
128/256 byte RAM ROMless low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
2000 Aug 07
11
Not Bit Addressable
Symbol
Function
Not implemented, reserved for future use.*
T2OE
Timer 2 Output Enable bit.
DCEN
Down Count Enable bit. When set, this allows Timer 2 to be configured as an up/down counter.
T2OE
DCEN
SU00729
76
54
32
1
0
*
User software should not write 1s to reserved bits. These bits may be used in future 8051 family products to invoke new features.
In that case, the reset or inactive value of the new bit will be 0, and its active value will be 1. The value read from a reserved bit is
indeterminate.
Bit
T2MOD
Address = 0C9H
Reset Value = XXXX XX00B
Figure 3. Timer 2 Mode (T2MOD) Control Register
OSC
÷ 12
C/T2 = 0
C/T2 = 1
TR2
CONTROL
TL2
(8-BITS)
TH2
(8-BITS)
TF2
RCAP2L
RCAP2H
EXEN2
CONTROL
EXF2
TIMER 2
INTERRUPT
T2EX PIN
TRANSITION
DETECTOR
T2 PIN
RELOAD
SU00067
Figure 4. Timer 2 in Auto-Reload Mode (DCEN = 0)
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