MB86391 Datasheet, PDF (13/69 Pages) Fujitsu Component Limited. – MPEG2 1chip Audio/Video Encoder

FUJITSU LIMITED
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2.3 Pin Functions
The pin functions of this LSI are shown below.
2.3.1 Overall Control
Table 2.3.1 : Overall control pins
Pin No.
28
26
33
27
Pin symbol
CLKSEL
MCLKI
XRESET
PLLTHR
Pin name Bit I/O Active ^{Pull up}
/down
Description
Internal
Clock
1I
−
Select
Main Clock
Input
1I
−
Internal controller operating frequency
selection input pin. When the screen size
− is D1, select 54MHz operations.
‘H’ = 54MHz operations
‘L’ = 27MHz operations
Operating clock (27MHz) input pin
−
Reset
1I L
− ^{Reset signal input pin}
PLL through 1 I
−
Internal PLL control signal input pin
− _{(See figure on page 52)}
MB86391
Product Specification
Rev. 1.1
12, November 2001
9