LM3S1R21 Datasheet, PDF (856/947 Pages) Texas Instruments – Stellaris® LM3S1R21 Microcontroller

Signal Tables
Table 19-6. Possible Pin Assignments for Alternate Functions (continued)
# of Possible Assignments
seven
eight
nine
Alternate Function
CCP5
CCP1
CCP0
CCP2
CCP3
GPIO Function
PB5 PB6 PC4 PD2 PE5 PG5 PG7
PA6 PB1 PB6 PC4 PC5 PD7 PE3 PF6
PB0 PB2 PB5 PC6 PC7 PD3 PD4 PF4 PJ2
PB1 PB5 PC4 PD1 PD5 PE1 PE2 PE4 PF5
PA7 PB2 PC5 PC6 PD4 PE0 PE4 PF1 PG4
19.2 108-Ball BGA Package Pin Tables
Table 19-7. Signals by Pin Number
Pin Number
A1
A2
A3
Pin Name
PE6
AIN1
C1o
U1CTS
PD7
AIN4
C0o
CCP1
EPI0S30
U1DTR
PD6
AIN5
EPI0S29
U2Tx
Pin Type
I/O
I
O
I
I/O
I
O
I/O
I/O
O
I/O
I
I/O
O
PE2
I/O
CCP2
I/O
A4
CCP4
I/O
EPI0S24
I/O
SSI1Rx
I
GNDA
-
A5
PB4
I/O
C0-
I
EPI0S23
I/O
A6
U1Rx
I
U2Rx
I
Buffer Type^a Description
TTL
GPIO port E bit 6.
Analog Analog-to-digital converter input 1.
TTL
Analog comparator 1 output.
TTL
UART module 1 Clear To Send modem flow control input signal.
TTL
GPIO port D bit 7.
Analog Analog-to-digital converter input 4.
TTL
Analog comparator 0 output.
TTL
Capture/Compare/PWM 1.
TTL
EPI module 0 signal 30.
TTL
UART module 1 Data Terminal Ready modem status input signal.
TTL
GPIO port D bit 6.
Analog Analog-to-digital converter input 5.
TTL
EPI module 0 signal 29.
TTL
UART module 2 transmit. When in IrDA mode, this signal has IrDA
modulation.
TTL
GPIO port E bit 2.
TTL
Capture/Compare/PWM 2.
TTL
Capture/Compare/PWM 4.
TTL
EPI module 0 signal 24.
TTL
SSI module 1 receive.
Power
The ground reference for the analog circuits (ADC, Analog
Comparators, etc.). These are separated from GND to minimize
the electrical noise contained on VDD from affecting the analog
functions.
TTL
GPIO port B bit 4.
Analog Analog comparator 0 negative input.
TTL
EPI module 0 signal 23.
TTL
UART module 1 receive. When in IrDA mode, this signal has IrDA
modulation.
TTL
UART module 2 receive. When in IrDA mode, this signal has IrDA
modulation.
856
January 21, 2012
Texas Instruments-Production Data