參數(shù)資料
型號: 87C055
廠商: NXP Semiconductors N.V.
英文描述: Microcontrollers for TV and video MTV
中文描述: 電視和視頻微控制器MTV
文件頁數(shù): 10/40頁
文件大?。?/td> 243K
代理商: 87C055
1996 Mar 22
10
Philips Semiconductors
Product specification
Microcontrollers for TV and video (MTV)
83C145; 83C845
83C055; 87C055
handbook, full pagewidth
PWM0/P1.3
PWM1/P0.1
PWM7/P0.7
P1.3
P0.1
P0.7
P0.2 to P0.6
PWM2/P0.2
to
PWM6/P0.6
1st PWM MODULE (n = 0)
2nd PWM MODULE (n = 1)
8th PWM MODULE (n = 7)
3rd to 7th PWM MODULE (n = 2 to 6)
internal bus
14-BIT COUNTER
4
14-BIT PWM
DAC BLOCK
fxtal
ZERO
8
8
8
8
8
6
6
6
6
6
LS 6-bits
PWM clock
MBE771 - 1
Fig.3 6-bit PWM DAC logic circuit.
Fig.4 A 6-bit PWM module.
handbook, full pagewidth
PWMn
I/O pin
6-bit
COMPARATOR
PVn0
PVn1
PVn2
PVn3
PVn4
PVn5
PWnE
PWM module (n)
ZERO
LS 6-bits
internal bus
PWM clock
(1)
(2)
I/O port
6-bits (PVn0 to PVn5)
MBE770
8
(1) This flip-flop occurs in 5 of the 8 PWMn modules.
(2) This flip-flop occurs in 3 of the 8 PWMn modules.
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