STIR4200 SigmaTel, STIR4200 Datasheet - Page 20

• Manufacturer Part Number: STIR4200
• Description: USB / IrDA Bridge Controller
• Manufacturer: SigmaTel

STIr4200
USB/IrDA Bridge Controller
7. PIN DESCRIPTION
20
Pin Number
7.1.
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
11
1
2
3
4
5
6
7
8
9
STIr4200S 28-Pin SSOP Pin Description
TX
Signal Name
TST-CLK
RESETZ
TST_EN
TX
RX
DIODE
RX
TX
XTALO
DGND
AGND
GNDD
TSTD
XTALI
U
D
D
Table 23. Pin Descriptions for STIr4200S 28-Pin SSOP Package
V
V
NC
NC
NC
NC
NC
NC
U
NC
NC
DIODE
SLOW
OUT
NEG
POS
DATA
FAST
DD
DA
Figure 8. STIr4200S 28-Pin SSOP Pin Assignment Drawing
IN
GND
TX
A
D
NALOG GND
IGITAL GND
DIODE GND
TX
RX
RX
TX
DIODE
U
D
Type
PWR
PWR
PWR
PWR
PWR
PWR
SLOW
Note: “N/C” indicates the pin is “not connected”
DATA
FAST
I/O
I/O
I/O
I/O
V
N/C
N/C
OUT
NEG
N/C
N/C
O
O
O
O
I
I
I
I
I
I
DD
TX
Optional LED driver output
No connect
No connect
Receive data from IR module (Fast)
Transmit data output to IR module
Receive data from IR module (Slow)
SD/Mode control to IR module
Digital power supply ground
Digital power supply (+)
USB transceiver power supply ground
USB interface negative (-) data
No connect
No connect
No connect
No connect
USB interface positive (+) data
USB transceiver power supply (+)
Test
Test clock input
Test data input/output
Test enable
Master reset, active low
Power supply ground
12Mhz crystal/clock input
12Mhz crystal/clock output
No connect
No connect
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DIODE
STIr4200S
28-Pin SSOP
power supply ground
28
27
26
25
24
23
22
21
20
19
18
17
16
15
N/C
N/C
X
X
G
R
T
T
T
U
V
D
N/C
N/C
TALO
TALI
ST_EN
ST D
ST-CLK
DA
ESET Z
IN
POS
ND D
Description
3-4200-D1-2.0-0403