BU2385KN Datasheet, PDF (2/5 Pages) Rohm – Clock generator for digital still camera

Multimedia ICs
zBlock diagram
BU2385KN
AVDD 1
AVDD 2
AVSS 3
XIN 4
XOUT 5
20 19 18 17 16
Back View
15 VDD1
14 VDD1
13 VSS1
12 CKL2ON
11 CLK1_OUT
6 7 8 9 10
zExplanation for terminal function
PIN No.
1
2
3
4
5
PIN NAME
AVDD
AVDD
AVSS
XIN
XOUT
6
TEST 1
7
XTAL_SEL
8
FS3
9
FS2
10 FS1
11 CLK1OUT
12 CLK2ON
13 VSS 1
14 VDD 1
15 VDD 1
16 CLK2OUT
17 VSS 2
18 VDD 2
19 REF_CLK
20 TEST2
Analog VDD
Analog VDD
Function
Analog GND
Standard crystal input
Standard crystal output
Input for test mode
(normally open)
Crystal select
H : 28.636363MHz
with pull−down
with pull up
L : 14.318182MHz
CLK1,2 output select
CLK1,2 output select
REFCLK output select
with pull up
with pull up
with pull up
71.877274M / 90.314686M /
96.016044M / 114.54546M clock output
CLK2 output control
with pull up
H : enable L : disable
GND for CLK 1, 2 clock output and Logic circuit
VDD for CLK 1, 2,clock output and Logic circuit
VDD for CLK 1, 2,clock output and Logic circuit
96.016044M / 48.008022M clock output
REF_CLK GND
REF_CLK VDD
14.318182M / 17.734450M clock output
Input for test mode
(normally open)
with pull−down
2/4