ꢀ ꢁ ꢂ ꢃ ꢄꢅ ꢆ ꢇ ꢄꢈꢈ ꢉ ꢀꢁ ꢂꢃ ꢄ ꢅ ꢆꢇ ꢄ ꢈꢈ ꢊ
ꢋ ꢌ ꢍꢎꢏ ꢐꢑ ꢒꢌ ꢓ ꢀ ꢏ ꢌ ꢔꢌ ꢀꢕꢖ ꢂ ꢌ ꢔꢓ ꢕꢖ ꢑ ꢗꢒ ꢆꢎꢂ ꢂꢒ ꢗꢂ
SPRS073L − AUGUST 1998 − REVISED JUNE 2005
Terminal Functions (Continued)
SIGNAL
NAME
IPD/
IPU‡
†
TYPE
DESCRIPTION
NO.
TIMER 1
Timer 1 or general-purpose output
Timer 1 or general-purpose input
TIMER 0
TOUT1
F1
F2
O
I
IPD
IPD
TINP1
TOUT0
TINP0
G1
G2
O
I
IPD
IPD
Timer 0 or general-purpose output
Timer 0 or general-purpose input
MULTICHANNEL BUFFERED SERIAL PORT 1 (McBSP1)
CLKS1
CLKR1
CLKX1
DR1
E1
M1
L3
I
IPD
IPD
IPD
IPU
IPU
IPD
IPD
External clock source (as opposed to internal)
Receive clock
I/O/Z
I/O/Z
I
Transmit clock
M2
L2
Receive data
DX1
O/Z
I/O/Z
I/O/Z
Transmit data
FSR1
FSX1
M3
L1
Receive frame sync
Transmit frame sync
MULTICHANNEL BUFFERED SERIAL PORT 0 (McBSP0)
CLKS0
CLKR0
CLKX0
DR0
K3
H3
G3
J1
I
IPD
IPD
IPD
IPU
IPU
IPD
IPD
External clock source (as opposed to internal)
Receive clock
I/O/Z
I/O/Z
I
Transmit clock
Receive data
DX0
H2
J3
O/Z
I/O/Z
I/O/Z
Transmit data
FSR0
FSX0
Receive frame sync
H1
Transmit frame sync
RESERVED FOR TEST
RSV0
RSV1
RSV2
RSV3
RSV4
RSV5
C12
D12
A5
O
O
O
O
O
O
IPU
IPU
IPU
Reserved (leave unconnected, do not connect to power or ground)
Reserved (leave unconnected, do not connect to power or ground)
Reserved (leave unconnected, do not connect to power or ground)
Reserved (leave unconnected, do not connect to power or ground)
Reserved (leave unconnected, do not connect to power or ground)
Reserved (leave unconnected, do not connect to power or ground)
D3
N2
Y20
†
‡
I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground
IPD = Internal pulldown, IPU = Internal pullup. (These IPD/IPU signal pins feature a 30-kΩ IPD or IPU resistor. To pull up a signal to the opposite
supply rail, a 1-kΩ resistor should be used.)
26
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