參數資料
型號: AT89C51SND2C-7FTUL
廠商: Atmel
文件頁數: 29/160頁
文件大小: 0K
描述: IC 8051 MCU FLASH 64K MP3 100BGA
標準包裝: 260
系列: 89C
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: I²C,IDE/ATAPI,MMC,SPI,UART/USART,USB
外圍設備: 音頻,I²S,MP3,PCM,POR,WDT
輸入/輸出數: 32
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
RAM 容量: 2.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.3 V
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-TFBGA
包裝: 托盤
其它名稱: AT89C51SND2C7FTUL
5-32
DS785UM1
Copyright 2007 Cirrus Logic
System Controller
EP93xx User’s Guide
5
SDIV:
SCLK divide select.
1 - SCLK = MCLK / 4,
0 - SCLK = MCLK / 2.
MENA:
Enable master clock generation.
ESEL:
External clock source select.
0 - Use the external XTALI clock input as the clock source.
1 - Use one of the internal PLLs selected by PSEL as the
clock source.
PSEL:
PLL source select.
1 - Select PLL2 as the clock source.
0 - Select PLL1 as the clock source.
PDIV:
Pre-divider value. Generates divide by 2, 2.5, or 3 from the
clock source.
00 - Disable clock
01 - Divide-by-2
10 - Divide-by-2.5
11 - Divide-by-3
MDIV:
MCLK divider value. Forms a divide-by-N of the pre-divide
clock output. MCLK is the source clock divided by PDIV
divided by N.
KeyTchClkDiv
Address:
0x8093_0090 - Read/Write, Software locked
Default:
0x0000_0000
Definition:
Configures the Key Matrix, Touchscreen, and ADC clocks. Touchscreen clock
is a fixed divide-by-4 from the ADC clock. Touch Filter clock is a fixed divide-
by-2 from the ADC clock.
Bit Descriptions:
RSVD:
Reserved. Unknown During Read.
TSEN:
Touchscreen and ADC clock enable
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
TSEN
RSVD
ADIV
15
14
13
12
11
10
987654
3210
KEN
RSVD
KDIV
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