參數(shù)資料
型號(hào): ADUC7021BCPZ62-RL7
廠商: Analog Devices Inc
文件頁(yè)數(shù): 6/92頁(yè)
文件大?。?/td> 0K
描述: IC MCU 12BIT 1MSPS UART 40-LFCSP
標(biāo)準(zhǔn)包裝: 750
系列: MicroConverter® ADuC7xxx
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 44MHz
連通性: EBI/EMI,I²C,SPI,UART/USART
外圍設(shè)備: PLA,PWM,PSM,溫度傳感器,WDT
輸入/輸出數(shù): 13
程序存儲(chǔ)器容量: 64KB(32K x 16)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 2K x 32
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x12b,D/A 2x12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 125°C
封裝/外殼: 40-VFQFN 裸露焊盤,CSP
包裝: 帶卷 (TR)
ADuC7019/20/21/22/24/25/26/27/28
Rev. B | Page 14 of 92
Table 7. SPI Slave Mode Timing (PHASE Mode = 1)
Parameter
Description
Min
Typ
Max
Unit
t
CS
CS to SCLOCK edge1
(2 × tHCLK) + (2 × tUCLK)
ns
tSL
SCLOCK low pulse width2
(SPIDIV + 1) × tHCLK
ns
tSH
SCLOCK high pulse width2
(SPIDIV + 1) × tHCLK
ns
tDAV
Data output valid after SCLOCK edge
25
ns
tDSU
Data input setup time before SCLOCK edge1
1 × tUCLK
ns
tDHD
Data input hold time after SCLOCK edge1
2 × tUCLK
ns
tDF
Data output fall time
5
12.5
ns
tDR
Data output rise time
5
12.5
ns
tSR
SCLOCK rise time
5
12.5
ns
tSF
SCLOCK fall time
5
12.5
ns
tSFS
CS high after SCLOCK edge
0
ns
1 tUCLK = 23.9 ns. It corresponds to the 41.78 MHz internal clock from the PLL before the clock divider.
2 tHCLK depends on the clock divider or CD bits in PLLCON MMR. tHCLK = tUCLK/2CD.
04
95
5-
05
7
SCLOCK
(POLARITY = 0)
CS
SCLOCK
(POLARITY = 1)
tSH
tSL
tSR
tSF
tSFS
MISO
MSB
BITS 6 TO 1
LSB
MOSI
MSB IN
BITS 6 TO 1
LSB IN
tDHD
tDSU
tDAV
tDR
tDF
tCS
Figure 8. SPI Slave Mode Timing (PHASE Mode = 1)
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