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TMS320DM6437
Digital Media Processor
SPRS345B–NOVEMBER 2006–REVISED MARCH 2007
Table 3-20. PINMUX1 Register Bit Descriptions (continued)
Bit
Field Name
Description
Pins Controlled
Reserved. For proper device operation, the user should only write "0" to this bit
(
default
).
19:18
RSV
–
Timer0 Block Pin Select.
Selects the function of the multiplexed pins in the Timer0 Block.
00 = GPIO Mode (
default
).
Pins function as GPIO (GP[98:97]).
01 = Timer0 Mode.
Pins function as Timer0 TINP0L and TOUT0L.
Timer0 Block:
CLKS1/TINP0L/GP[98]
CLKS0/TOUT0L/GP[97]
17:16
TIM0BK
10 = McBSP0 and McBSP1 External Clock Source Mode.
Pins function as McBSP0 and McBSP1 external clock source pins, CLKS0 and
CLKS1, respectively.
11 = McBSP0 External Clock Source + Timer0 Input Mode.
Pins function as McBSP0 external clock source CLKS0, and Timer0 input
TINP0L.
CLKOUT Block Pin Select.
Selects the function of the multiplexed pins in the CLKOUT Block.
00 = GPIO Mode.
Pin functions as GPIO (GP[84]).
CLKOUT Block:
CLKOUT0/PWM2/GP[84]
15:14
CKOBK
01 = CLKOUT Mode (
default
).
Pin functions as device clock output CLKOUT0, sourced from PLLC1 OBSCLK.
10 = PWM2 Mode.
Pin functions as PWM2.
11 = Reserved
Reserved. For proper device operation, the user should only write "0" to this bit
(
default
).
13
RSV
–
PWM1 Block Pin Select.
Selects the function of the multiplexed pins in the PWM1 Block.
0 = GPIO Mode (
default
).
Pin functions as GPIO (GP[4]).
PWM1 Block:
GP[4]/PWM1
12
PWM1BK
1 = PWM1 Mode.
Pin functions as PWM1.
UART0 Flow Control Block Pin Select.
Selects the function of the multiplexed pins in the UART0 Flow Control Block.
00 = GPIO Mode (
default
).
Pins function as GPIO (GP[88:87]).
UART0 Flow Control Block:
UCTS0/GP[87]
URTS0/PWM0/GP[88]
11:10
UR0FCBK
01 = UART0 Flow Control Mode.
Pins function as UART0 Flow Control UCTS0 and URTS0.
10 = PWM0 + GPIO Mode.
Pins function as PWM0 and GPIO (GP[87]).
11 = Reserved
Reserved. For proper device operation, the user should only write "0" to this bit
(
default
).
9
RSV
–
UART0 Data Block Pin Select.
Selects the function of the multiplexed pins in the UART0 Data Block.
UART0 Data Block:
URXD0/GP[85]
UTXD0/GP[86]
0 = GPIO Mode (
default
).
Pins function as GPIO (GP[86:85]).
8
UR0DBK
1 = UART0 Data Mode.
Pins function as UART0 data URXD0 and UTXD0.
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Device Configurations
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