PC87413 datasheet(11/257 Pages) NSC

11 / 257 page

Table of Contents (Continued)

Revision 1.2

www.national.com

6.2.7

Arbitration on the Bus ................................................................................................ 120

6.2.8

Packet Error Check (PEC) ......................................................................................... 120

6.2.9

ACCESS.bus Protocol ............................................................................................... 121

6.2.10

Transaction Execution ............................................................................................... 125

6.3

ACB REGISTERS (ON ACCESS.BUS ONLY) ........................................................................ 126

6.3.1

ACB Register Map (on ACCESS.bus Only) .............................................................. 126

6.3.2

ACCESS.bus Control/Status Register (ACBCST) ..................................................... 127

6.3.3

ACCESS.bus Configuration Register (ACBCFG) ...................................................... 128

6.3.4

ACCESS.bus Lock Control Register (ACBLKCTL) ................................................... 128

6.3.5

ACCESS.bus Fast Disable Register (ACBFDIS) ....................................................... 130

6.3.6

ACCESS.bus TRI-STATE Register (ACBTRIS) ........................................................ 131

6.3.7

Access Lock Configuration 1 Register (ACCLCF1) ................................................... 132

6.3.8

Access Lock Configuration 2 Register (ACCLCF2) ................................................... 133

6.4

ACB REGISTER BITMAP ........................................................................................................ 134

7.0

General-Purpose Input/Output (GPIO) Ports

7.1

OVERVIEW ............................................................................................................................. 135

7.2

BASIC FUNCTIONALITY ........................................................................................................ 136

7.2.1

Configuration Options ................................................................................................ 136

7.2.2

Operation ................................................................................................................... 137

7.3

EVENT HANDLING AND SYSTEM NOTIFICATION .............................................................. 137

7.3.1

Event Configuration ................................................................................................... 137

7.3.2

System Notification .................................................................................................... 138

7.4

GPIO PORT REGISTERS ....................................................................................................... 139

7.4.1

GPIO Pin Configuration Registers Structure ............................................................. 139

7.4.2

GPIO Port Runtime Register Map ............................................................................. 140

7.4.3

GPIO Data Out Register (GPDO) .............................................................................. 140

7.4.4

GPIO Data In Register (GPDI) .................................................................................. 140

7.4.5

GPIO Event Enable Register (GPEVEN) .................................................................. 141

7.4.6

GPIO Event Status Register (GPEVST) .................................................................... 141

8.0

Real-Time Clock (RTC)

8.1

OVERVIEW ............................................................................................................................. 142

8.2

FUNCTIONAL DESCRIPTION ................................................................................................ 142

8.2.1

Bus Interface ............................................................................................................. 142

8.2.2

RTC Clock Generation .............................................................................................. 142

8.2.3

Internal Oscillator ....................................................................................................... 142

8.2.4

External Oscillator ..................................................................................................... 143

8.2.5

Timing Generation ..................................................................................................... 144

8.2.6

Timekeeping .............................................................................................................. 144

8.2.7

Updating .................................................................................................................... 145

8.2.8

Alarms ....................................................................................................................... 145

8.2.9

Power Supply ............................................................................................................ 146

8.2.10

System Bus Lockout .................................................................................................. 147

PC87413 数据表(PDF) 11 Page - National Semiconductor (TI)

PC87413 数据表(HTML) 11 Page - National Semiconductor (TI)

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

数据表下载