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7-7
BRC-300/300P
BRU-300/300P
19
20
21
22
23
24
12
11
10
9
8
7
1
2
3
4
5
6
18
17
16
15
14
13
10-BIT D/A CONVERTER
—TOP VIEW—
PIN
NO.
I/O
SIGNAL
PIN
NO.
I/O
SIGNAL
PIN
NO.
I/O
SIGNAL
PIN
NO.
I/O
SIGNAL
A.GND
A.V
CC
DACEN
PD
CS
CLK
REN
D0
D1
D2
D3
D4
I
I
I
I
I
—
D5
D6
D7
D8
D9
D.V
CC
—
I
O
O
O
O
D.GND
REFR
REFO
CREF
OUTP
OUTN
—
—
I
I
I
I
I
I
I
I
I
I
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
INPUTS
CLK
CS
D0 - D9
DACEN
PD
REN
REFR
OUTPUTS
CREF
OUTN
OUTP
REFO
: CLOCK
: CHIP SELECT
: DATA
: DAC ENABLE
: POWER-DOWN SELECT
: REFERENCE ENABLE
: REFERENCE
: REFERENCE
: NAGATIVE ANALOG OUTPUT
: POSITIVE ANALOG OUTPUT
: REFERENCE
DACEN
0
1
x
MODE
SATNDBY
WAKE-UP
SHUTDOWN
OUTPUT SATE
A.GND
A.GND
PD
0
0
1
0
1
x
: LOW LEVEL
: HIGH LEVEL
: DON’T CARE
LAST STATE PRIOR TO
STANDBY MODE
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
CLK
8
9
10
11
12
13
14
15
16
17
6
REN
7
REFO
REFR
21
20
DAC
SWITCHES
MSB
DECODE
MSB
DECODE
INPUT
LATCHES
OUTPUT
LATCHES
INPUT
LATCHES
OUTPUT
LATCHES
_
+
CURRENT-
SOURCE ARRAY
OUTP
OUTN
23
24
CREF
22
1.2 V REF
MAXTG069 (MAXIM)
IC
INPUTS/OUTPUTS
D0 - D15
P10 - P17
P20 - P27
P30 - P35
P50 - P53
P60 - P65
P80 - P85
PA0 - PA7
PB0 - PB7
PC0 - PC7
PD0 - PD7
PE0 - PE7
PF0 - PF7
PG0 - PG6
PH0 - PH3
SCK0 - SCK4
SCL0, SCL1
SDA0, SDA1
TIOCA0 - TIOCA5,
TIOCB0 - TIOCB5
OTHER
NC
: DATA BUS
: PORT 1
: PORT 2
: PORT 3
: PORT 5
: PORT 6
: PORT 8
: PORT A
: PORT B
: PORT C
: PORT D
: PORT E
: PORT F
: PORT G
: PORT H
: CLOCK
: SERIAL CLOCK
: SERIAL DATA
: INPUT CAPTURE/OUTPUT COMPARE MATCH
: NO CONNECTION
V
CC
V
REF
+
_
GND
OUT
VOLTAGE DETECTOR
—TOP VIEW—
1 2 3
1
2
3
1: OUT
2: V
CC
3: GND
S
S
S
S
S
S-80828CLUA-B6NT2G (SEIKO INSTR)