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參數(shù)資料
| 型號： | SST89E54RC-33-C-NJE |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MS-018AC, LCC-44 |
| 文件頁數(shù)： | 55/57頁 |
| 文件大?。?/td> | 652K |
| 代理商： | SST89E54RC-33-C-NJE |
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Data Sheet
FlashFlex MCU
SST89E52RC / SST89E54RC
7
2007 Silicon Storage Technology, Inc.
S71259-04-000
1/07
2.1 Pin Descriptions
TABLE
2-1: Pin Descriptions (1 of 2)
Symbol
Type1
Name and Functions
P0[7:0]
I/O
Port 0: Port 0 is an 8-bit open drain bi-directional I/O port. As an output port each pin can
sink several LS TTL inputs. Port 0 pins that have ‘1’s written to them float, and in this state
can be used as high-impedance inputs. Port 0 is also the multiplexed low-order address and
data bus during accesses to external code and data memory. In this application, it uses
strong internal pull-ups when transitioning to ‘1’s. Port 0 also receives the code bytes during
the external host mode programming, and outputs the code bytes during the external host
mode verification. External pull-ups are required during program verification or as a general
purpose I/O port.
P1[7:0]
I/O with internal
pull-up
Port 1: Port 1 is an 8-bit bi-directional I/O port with internal pull-ups. The Port 1 output buffers
can drive LS TTL inputs. Port 1 pins are pulled high by the internal pull-ups when ‘1’s are writ-
ten to them and can be used as inputs in this state. As inputs, Port 1 pins that are externally
have high current drive of 16 mA. Port 1 also receives the low-order address byte during the
external host mode programming and verification.
P1[0]
I/O
T2: External count input to Timer/Counter 2 or Clock-out from Timer/Counter 2
P1[1]
I
T2EX: Timer/Counter 2 capture/reload trigger and direction control
P1[2]
I/O
GPIO
P1[3]
I/O
GPIO
P1[4]
I/O
GPIO
P1[5]
I/O
GPIO
P1[6]
I/O
GPIO
P1[7]
I/O
GPIO
P2[7:0]
I/O
with internal
pull-up
Port 2: Port 2 is an 8-bit bi-directional I/O port with internal pull-ups. Port 2 pins are pulled
high by the internal pull-ups when ‘1’s are written to them and can be used as inputs in this
12-6) because of the internal pull-ups. Port 2 sends the high-order address byte during
fetches from external program memory and during accesses to external Data Memory that
use 16-bit address (MOVX@DPTR). In this application, it uses strong internal pull-ups when
transitioning to ‘1’s. Port 2 also receives the high-order address byte during the external host
mode programming and verification.
P3[7:0]
I/O
with internal
pull-up
Port 3: Port 3 is an 8-bit bidirectional I/O port with internal pull-ups. The Port 3 output buffers
can drive LS TTL inputs. Port 3 pins are pulled high by the internal pull-ups when ‘1’s are writ-
ten to them and can be used as inputs in this state. As inputs, Port 3 pins that are externally
receives the high-order address byte during the external host mode programming and verifi-
cation.
P3[0]
I
RXD: Universal Asynchronous Receiver/Transmitter (UART) - Receive input
P3[1]
O
TXD: UART - Transmit output
P3[2]
I
INT0#: External Interrupt 0 Input
P3[3]
I
INT1#: External Interrupt 1 Input
P3[4]
I
T0: External count input to Timer/Counter 0
P3[5]
I
T1: External count input to Timer/Counter 1
P3[6]
O
WR#: External Data Memory Write strobe
P3[7]
O
RD#: External Data Memory Read strobe
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SST89E54RC-33-C-PIE | 功能描述:8位微控制器 -MCU 8-Bit 16K+1K Flash 33MHz 3/16-Bit Timer RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| SST89E54RD | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex MCU |
| SST89E54RD2 | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E54RD2/RD | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89E54RD2-33-C-NI | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
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