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PCA84C840 Datasheet(PDF) 4 Page - NXP Semiconductors

Part # PCA84C840
Description  8-bit microcontrollers with OSD and VST
Download  40 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCA84C840 Datasheet(HTML) 4 Page - NXP Semiconductors

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1996 Nov 29
4
Philips Semiconductors
Product specification
8-bit microcontrollers with OSD and VST
84C44X; 84C64X; 84C84X
4
BLOCK DIAGRAM
Fig.1 Block diagram.
handbook, full pagewidth
84CXXX
core
excluding
ROM/RAM
8-bit internal bus
8-BIT
TIMER /
EVENT
COUNTER
CPU
PARALLEL
I/O
PORTS
ROM
(1)
RAM
(2)
8-BIT
I/O
PORTS
6-BIT
DAC
14-BIT
DAC
3-BIT DAC +
COMPARATOR
I C
INTERFACE
2
ON SCREEN DISPLAY
5
P0
P1
DP0
DP1
1 2 3 4 5
VOB
VOW1
VOW2
VOW3
DOSC1
DOSC2
(3)
VSYNCN
HSYNCN
TEST/EMU
XTAL1 (IN)
XTAL2 (OUT)
RESET
TDAC
AFC
SDA
SCL
MCD170
T1
INT/T0
PWM
(4)
(5)
(6)
88
8
(1) 4 kbytes for the PCA84C440; 84C441; 84C443; 84C444.
6 kbytes for the PCA84C640; 84C641; 84C643; 84C644.
8 kbytes for the PCA84C840; 84C841; 84C843; 84C844.
(2) 128 bytes for the PCA84C440; 84C441; 84C443; 84C444; 84C640; 84C641; 84C643; 84C644.
192 bytes for the PCA84C840; 84C841; 84C843; 84C844.
(3) For use with an LC oscillator, only available with the:
PCA84C441; 84C444; 84C641; 84C644; 84C841; 84C844.
(4) I2C-bus interface not available with the:
PCA84C443; 84C444; 84C643; 84C644; 84C843; 84C844.
(5) DP1.4 only available for PCA84C440; 84C443; 84C640; 84C643; 84C840; 84C843.
(6) T1 = pin 29 for PCA84C440; 84C443; 84C640; 84C643; 84C840; 84C843.
T1 = pin 34 for PCA84C441; 84C444; 84C641; 84C644; 84C841; 84C844.


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