TCC720 Datasheet, PDF (49/143 Pages) List of Unclassifed Manufacturers – 32-bit RISC Microprocessor For Digital Media Player

TCC720
32-bit RISC Microprocessor for Digital Media Player
Dec. 16. 2002
GPIO PORT
Preliminary Spec 0.51
GPIO_A Data Register (GDATA_A)
0x80000300
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0xFFFF
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Data for GPIO_A[15:0] pin
GPIO_A Direction Control Register (GIOCON_A)
0x80000304
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0xFFFF
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Direction control for GPIO_A[15:0] pin
*) if a bit is set to 1, the corresponding GPIO pin is set to output mode.
GPIO_A Function Select Register (GSEL_A)
0x80000308
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0
GS2[2:0]
-
GS1[2:0]
-
GS0[2:0]
*) if a bit is set to 1, the corresponding GPIO pin is used by the other dedicated function blocks.
GSn[2:0]
GPIO_A[10:8], GPIO_A[6:4], GPIO_A[2:0] Function
GPIO_A[10:8], GPIO_A[6:4], GPIO_A[2:0] pin is working as Normal GPIO
0
Function
GS2[2] = 1 GPIO_A[10] : FRM signal of GSIO2 block
GS2[1] = 1 GPIO_A[ 9] : SCK signal of GSIO2 block
GS2[0] = 1 GPIO_A[ 8] : SDO signal of GSIO2 block
GS1[2] = 1 GPIO_A[ 6] : FRM signal of GSIO1 block
GS1[1] = 1 GPIO_A[ 5] : SCK signal of GSIO1 block
GS1[0] = 1 GPIO_A[ 4] : SDO signal of GSIO1 block
GS0[2] = 1 GPIO_A[ 2] : FRM signal of GSIO0 block
GS0[1] = 1 GPIO_A[ 1] : SCK signal of GSIO0 block
GS0[0] = 1 GPIO_A[ 0] : SDO signal of GSIO0 block
*) SDI signal for GSIO2, GSIO1, GSIO0 block is always fed through GSIO_A[11], GSIO_A[7], GSIO_A[3]
pin regardless of these GS[2:0] bit. But these pins must be set to input mode.
6-4