
92
LC-26GA5E
LC-32GA5E
LC-32/37GD8E/RU
LC-32/37BT8E/RU
2.6.2. Pin Description (Continued)
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STi5516
Pin list
Confidential
Table 12: Programmable I/O pins
Pin
Location
I/O
Function
Pad
type
PIO0[0:7]
A
b
I/O
Parallel input/output pin or alternative function
P4
PIO1[0:7]
a
c
I/O
P4
PIO2[0:7]
a
d
I/O
P4
PIO3[0:7]
a
e
I/O
P4
PIO4[0:7]
a
f
I/O
P4
PIO5[0:7]
a
g
I/O
P4
a. 5 V tolerant
b. U2, U1, U3, V4, V3, V2, V1 and W4
c. W3, W2, W1, Y3, Y2, Y1, AA4 and AE1
d. AF1, AD2, AE2, AF2, AF3, AD3, AE3 and AD4
e. AE5, AE4, AF5, AF4, AD6, AD15, AD5 and AE15
f. AF15, AD16, AE16, AF16, AC17, AD17, AF18 and AE17
g. AF17, AD18, AE18, AC19, AD19, AE19, AF19 and AD20
Table 13: Digital audio pins
a
Pin
Location
I/O
Function
Pad
type
SCLK
B
AD13
O
Serial clock
C4
PCMDATA[1]
b
AE14
O
PCM data out
C4
PCMCLK
b
AE13
I/O
External PCM clock input or internal PCM clock
output
C4
LRCLK
b
AF13
O
Left/right clock
C4
SPDIF
b
AC15
O
Digital audio output
C4
a. Note: Digital audio input pins PCMI_SCLK, PCMI_DATA and PCMI_LRCLK are alternate
functions for NOT_CD_REQ[1], I1284HOSTLOGICHIGH, and NOT_CD_REQ[0], on PIO port
3 bits [6:4]
b. 5 V tolerant