參數(shù)資料
型號(hào)： SST89V58RD2-33-I-NJE
廠商： Microchip Technology
文件頁(yè)數(shù)： 40/92頁(yè)
文件大?。?/td> 0K
描述： IC MCU 8BIT 40KB FLASH 44PLCC
標(biāo)準(zhǔn)包裝： 27
系列： FlashFlex®
核心處理器： 8051
芯體尺寸： 8-位
速度： 33MHz
連通性： EBI/EMI，SPI，UART/USART
外圍設(shè)備： 欠壓檢測(cè)/復(fù)位，POR，WDT
輸入/輸出數(shù)： 36
程序存儲(chǔ)器容量： 32KB（32K x 8）
程序存儲(chǔ)器類型： 閃存
EEPROM 大小： 8K x 8
RAM 容量： 1K x 8
電壓 - 電源 (Vcc/Vdd)： 2.7 V ~ 3.6 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 44-LCC（J 形引線）
包裝： 管件
2011 Silicon Storage Technology, Inc.
DS25087A
10/11
45
FlashFlex MCU
SST89V54RD2/RD / SST89V58RD2/RD
Not Recommended for New Designs
A Microchip Technology Company
Programmable Clock-Out
A 50% duty cycle clock can be programmed to come out on P1.0. This pin, besides being a regular I/O
pin, has two alternate functions. It can be programmed:
1.
to input the external clock for Timer/Counter 2, or
2.
to output a 50% duty cycle clock ranging from 122 Hz to 8 MHz at a 16 MHz operating fre-
quency (61 Hz to 4 MHz in 12 clock mode).
To configure Timer/Counter 2 as a clock generator, bit C/#T2 (in T2CON) must be cleared and bit T20E
in T2MOD must be set. Bit TR2 (T2CON.2) also must be set to start the timer.
The Clock-Out frequency depends on the oscillator frequency and the reload value of Timer 2 capture
registers (RCAP2H, RCAP2L) as shown in this equation:
Oscillator Frequency
n x (65536 - RCAP2H, RCAP2L)
n = 2 (in 6 clock mode)
4 (in 12 clock mode)
Where (RCAP2H, RCAP2L) = the contents of RCAP2H and RCAP2L taken as a 16-bit unsigned inte-
ger.
In the Clock-Out mode, Timer 2 roll-overs will not generate an interrupt. This is similar to when it is
used as a baud-rate generator. It is possible to use Timer 2 as a baud-rate generator and a clock gen-
erator simultaneously. Note, however, that the baud-rate and the Clock-Out frequency will not be the
same.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SST89V58RD2-33-I-NJE1 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V58RD2-33-I-NJF2 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V58RD2-33-I-PI 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V58RD2-33-I-PIE1 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
SST89V58RD2-33-I-PIF2 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU
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