參數(shù)資料
型號(hào): AT80251G2D-SLSUM
廠商: Atmel
文件頁(yè)數(shù): 53/77頁(yè)
文件大小: 0K
描述: IC 8051 MCU ROMLESS 44PLCC
標(biāo)準(zhǔn)包裝: 972
系列: 8x251
核心處理器: C251
芯體尺寸: 8/16-位
速度: 24MHz
連通性: EBI/EMI,I²C,Microwire,SPI,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器類(lèi)型: ROMless
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
57
AT/TSC8x251G2D
4135F–8051–11/06
Waveforms
Figure 19.
SPI Master Waveforms (SSCPHA = 0)
Note:
1. SS# handled by software.
Figure 20.
SPI Master Waveforms (SSCPHA = 1)
Note:
1. Not Defined but normally MSB of character just received.
MISO
(input)
SCK
(SSCPOL = 0)
(output)
SS#(1)
(output)
SCK
(SSCPOL = 1)
(output)
MOSI
(output)
TCHCH
TCLCX
TCHCX
TIVCL TCLIX
TCHIX
TIVCH
TCHOV
TCLOV
TCHOX
TCLOX
MSB IN
BIT 6
LSB IN
MSB OUT
Port Data
LSB OUT
Port Data
BIT 6
TCHCL
TCLCH
MISO
(input)
SCK
(SSCPOL = 0)
(output)
SS#(1)
(output)
SCK
(SSCPOL = 1)
(output)
MOSI
(output)
TCHCH
TCLCX
TCHCX
TIVCL TCLIX
TCHIX
TIVCH
TCHOV
TCLOV
TCHOX
TCLOX
MSB IN
BIT 6
LSB IN
MSB OUT
Port Data
LSB OUT
Port Data
BIT 6
TCHCL
TCLCH
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