參數(shù)資料
型號: AT90S4433-8AC
廠商: Atmel
文件頁數(shù): 99/126頁
文件大小: 0K
描述: IC MCU 4K FLSH 8MHZ A/D 32TQFP
標準包裝: 250
系列: AVR® 90S
核心處理器: AVR
芯體尺寸: 8-位
速度: 8MHz
連通性: SPI,UART/USART
外圍設備: 欠壓檢測/復位,POR,PWM,WDT
輸入/輸出數(shù): 20
程序存儲器容量: 4KB(2K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 256 x 8
RAM 容量: 128 x 8
電壓 - 電源 (Vcc/Vdd): 4 V ~ 6 V
數(shù)據(jù)轉換器: A/D 6x10b
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 32-TQFP
包裝: 托盤
74
AT90S/LS4433
1042H–AVR–04/03
controlled by DDB2. When the pin is forced to be an input, the pull-up can still be con-
trolled by the PORTB2 bit. See the description of the SPI port for further details.
OC1 – Port B, Bit 1
OC1, Output Compare Match output: PB1 pin can serve as an external output for the
Timer/Counter1 Output Compare. The pin has to be configured as an output (DDB1 set
[one]) to serve this function. See the timer description on how to enable this function.
The OC1 pin is also the output pin for the PWM mode timer function.
ICP – Port B, Bit 0
ICP, Input Capture Pin: PB0 pin can serve as an external input for the Timer/Counter1
input capture. The pin has to be configured as an input (DDB0 cleared [zero]) to serve
this function. See the timer description on how to enable this function.
Figure 50. Port B Schematic Diagram (Pin PB0)
DA
T
A
BUS
D
Q
RESET
C
WD
WP
RD
MOS
PULL-
UP
PB0
R
WP:
WD:
RL:
RP:
RD:
ACIC:
ACO:
WRITE PORTB
WRITE DDRB
READ PORTB LATCH
READ PORTB PIN
READ DDRB
COMPARATOR IC ENABLE
COMPARATOR OUTPUT
DDB6
PORTB0
NOISE CANCELER
EDGE SELECT
ICF1
ICNC1
ICES1
0
1
ACIC
ACO
RL
RP
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