cx82100 Conexant Systems, Inc., cx82100 Datasheet - Page 8

• Manufacturer Part Number: cx82100
• Description: Home Network Processor Hnp
• Manufacturer: Conexant Systems, Inc.

9
10 Memory to Memory Transfer Input/Output ........................................................................................ 10-1
11 Interrupt Controller Interface Description .......................................................................................... 11-1
12 Timers Interface Description.............................................................................................................. 12-1
viii
General Purpose Input/Output Interface Description............................................................................ 9-1
9.1
9.2
9.3
10.1
10.2
10.3
11.1
11.2
12.1
12.2
12.3
12.4
GPIO Pin Description...................................................................................................................................................9-1
GPIO Register Memory Map........................................................................................................................................9-2
GPIO Registers............................................................................................................................................................9-3
9.3.1
9.3.2
9.3.3
9.3.4
9.3.5
9.3.6
9.3.7
9.3.8
9.3.9
9.3.10
9.3.11
9.3.12
9.3.13
9.3.14
9.3.15
9.3.16
9.3.17
9.3.18
9.3.19
9.3.20
9.3.21
9.3.22
Operation ..................................................................................................................................................................10-1
M2M Register Memory Map......................................................................................................................................10-3
M2M Registers..........................................................................................................................................................10-3
10.3.1
10.3.2
INTC Register Memory Map ......................................................................................................................................11-1
INTC Registers ..........................................................................................................................................................11-1
11.2.1
11.2.2
11.2.3
11.2.4
11.2.5
Programmable Periodic Timers .................................................................................................................................12-1
Watchdog Timer........................................................................................................................................................12-1
Timer Usage/SDRAM Refresh with Other Frequencies...............................................................................................12-2
Timer Registers Memory Map ...................................................................................................................................12-3
GPIO Option Register for GPIO[39:37; 32] (GPIO_OPT: 0x003500B0) ........................................................9-3
GPIO Output Enable Register 1 for GPIO[15:14; 8:5] (GPIO_OE1: 0x003500B4) .........................................9-4
GPIO Output Enable Register 2 for GPIO[31; 27:16] (GPIO_OE2: 0x003500B8) ..........................................9-4
GPIO Output Enable Register 3 for GPIO[39:37; 32] (GPIO_OE3: 0x003500BC) ..........................................9-5
GPIO Data Input Register 1 for GPIO[15:14; 8:5] (GPIO_DATA_IN1: 0x003500C0) .....................................9-5
GPIO Data Input Register 2 for GPIO[31; 27:24; 22:16] (GPIO_DATA_IN2: 0x003500C4) ...........................9-6
GPIO Data Input Register 3 for GPIO[39:37; 32] (GPIO_DATA_IN3: 0x003500C8) ......................................9-6
GPIO Data Output Register 1 for GPIO[15:14; 8:5] (GPIO_DATA_OUT1: 0x003500CC) ...............................9-7
GPIO Data Output Register 2 for GPIO[31; 27:24; 22:16] (GPIO_DATA_OUT2: 0x003500D0) .....................9-8
GPIO Data Output Register 3 for GPIO[39:37; 32] (GPIO_DATA_OUT3: 0x003500D4) ................................9-9
GPIO Interrupt Status Register 1 for GPIO[15:14; 8:5] (GPIO_ISR1: 0x003500D8) ...................................9-10
GPIO Interrupt Status Register 2 for GPIO[31; 27:24; 22:16] (GPIO_ISR2: 0x003500DC) .........................9-10
GPIO Interrupt Status Register 3 for GPIO[39:37; 32] (GPIO_ISR3: 0x003500E0).....................................9-12
GPIO Interrupt Enable Register 1 for GPIO[15:14; 8:5] (GPIO_IER1: 0x003500E4) ...................................9-13
GPIO Interrupt Enable Register 2 for GPIO[31; 27:24; 22:16] (GPIO_IER2: 0x003500E8) .........................9-14
GPIO Interrupt Enable Register 3 for GPIO[39:37; 32] (GPIO_IER3: 0x003500EC) ....................................9-15
GPIO Interrupt Polarity Control Register 1 for GPIO[15:14; 8:5] (GPIO_IPC1: 0x003500F0)......................9-16
GPIO Interrupt Polarity Control Register 2 for GPIO[31; 27:24; 22:16] (GPIO_IPC2: 0x003500F4)............9-17
GPIO Interrupt Polarity Control Register 3 for GPIO[39:37; 32] (GPIO_IPC3: 0x003500F8).......................9-18
GPIO Interrupt Sensitivity Mode Register 1 for GPIO[15:14; 8:5] (GPIO_ISM1: 0x003500A0)...................9-19
GPIO Interrupt Sensitivity Mode Register 2 for GPIO[31; 27:24; 22:16] (GPIO_ISM2: 0x003500A4).........9-20
GPIO Interrupt Sensitivity Mode Register 3 for GPIO[39:37; 32] (GPIO_ISM3: 0x003500A8)....................9-21
Memory to Memory DMA Data Register (M2M_DMA: 0x00350000) .........................................................10-3
Memory to Memory DMA Transfer Control/Counter (M2M_Cntl: 0x00350004) .........................................10-3
Interrupt Level Assignment Register (INT_LA: 0x00350040) .....................................................................11-1
Interrupt Status Register (INT_Stat: 0x00350044).....................................................................................11-2
Interrupt Set Status Register (INT_SetStat: 0x00350048)..........................................................................11-4
Interrupt Mask Register (INT_Msk: 0x0035004C)......................................................................................11-4
Interrupt Mask Status Register (INT_Mstat: 0x00350090).........................................................................11-4
Conexant Proprietary and Confidential Information
CX82100 Home Network Processor Data Sheet
101306C