Philips LPC213 Series User Manual page 269

Philips Semiconductors
Volume 1
18.6.1 Prescaler Integer register (PREINT -
0xE002 4080) . . . . . . . . . . . . . . . . . . . . . . . . 208
18.6.2 Prescaler Fraction register (PREFRAC -
0xE002 4084) . . . . . . . . . . . . . . . . . . . . . . . . 208
Chapter 19: Watchdog Timer
19.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
19.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . 212
19.3 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
19.4 Register description . . . . . . . . . . . . . . . . . . . 213
19.4.1 Watchdog Mode register (WDMOD -
0xE000 0000) . . . . . . . . . . . . . . . . . . . . . . . . 213
Chapter 20: Flash Memory System and Programming
20.1 Flash Boot Loader . . . . . . . . . . . . . . . . . . . . . 216
20.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
20.3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . 216
20.4 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
20.4.1 Memory map after any reset. . . . . . . . . . . . . 216
20.4.2 Criterion for valid user code . . . . . . . . . . . . . 217
20.4.3 Communication protocol . . . . . . . . . . . . . . . . 218
20.4.4 ISP command format . . . . . . . . . . . . . . . . . . 218
20.4.5 ISP response format . . . . . . . . . . . . . . . . . . . 218
20.4.6 ISP data format. . . . . . . . . . . . . . . . . . . . . . . 218
20.4.7 ISP flow control. . . . . . . . . . . . . . . . . . . . . . . 218
20.4.8 ISP command sbort . . . . . . . . . . . . . . . . . . . 219
20.4.9 Interrupts during ISP. . . . . . . . . . . . . . . . . . . 219
20.4.10 Interrupts during IAP. . . . . . . . . . . . . . . . . . . 219
20.4.11 RAM used by ISP command handler . . . . . . 219
20.4.12 RAM used by IAP command handler . . . . . . 219
20.4.13 RAM used by RealMonitor . . . . . . . . . . . . . . 219
20.4.14 Boot process flowchart . . . . . . . . . . . . . . . . . 220
20.5 Sector numbers . . . . . . . . . . . . . . . . . . . . . . . 220
20.6 Flash content protection mechanism . . . . . 221
20.7 Code Read Protection (CRP) . . . . . . . . . . . . 222
20.8 ISP commands . . . . . . . . . . . . . . . . . . . . . . . . 222
20.8.1 Unlock <unlock code> . . . . . . . . . . . . . . . . . 223
20.8.2 Set Baud Rate <baud rate> <stop bit> . . . . . 223
20.8.3 Echo <setting> . . . . . . . . . . . . . . . . . . . . . . . 224
20.8.4 Write to RAM <start address>
<number of bytes> . . . . . . . . . . . . . . . . . . . . 224
Chapter 21: EmbeddedICE logic
21.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
21.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . 237
User manual
18.6.3 Example of prescaler usage . . . . . . . . . . . . 208
18.6.4 Prescaler operation . . . . . . . . . . . . . . . . . . . 209
18.7 RTC external 32 kHz oscillator component
selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
19.4.2 Watchdog Timer Constant register (WDTC -
0xE000 0004). . . . . . . . . . . . . . . . . . . . . . . . 214
19.4.3 Watchdog Feed register (WDFEED -
0xE000 0008). . . . . . . . . . . . . . . . . . . . . . . . 214
19.4.4 Watchdog Timer Value register (WDTV -
0xE000 000C) . . . . . . . . . . . . . . . . . . . . . . . 214
19.5 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . 214
20.8.5 Read memory <address> <no. of bytes>. . . 225
20.8.6 Prepare sector(s) for write operation <start sector
number> <end sector number> . . . . . . . . . . 225
20.8.7 Copy RAM to Flash <Flash address> <RAM
address> <no of bytes> . . . . . . . . . . . . . . . . 226
20.8.8 Go <address> <mode> . . . . . . . . . . . . . . . . 227
20.8.9 Erase sector(s) <start sector number> <end
sector number> . . . . . . . . . . . . . . . . . . . . . . 227
20.8.10 Blank check sector(s) <sector number> <end
sector number> . . . . . . . . . . . . . . . . . . . . . . 228
20.8.11 Read Part Identification number . . . . . . . . . 228
20.8.12 Read Boot code version number . . . . . . . . . 228
20.8.13 Compare <address1> <address2>
<no of bytes> . . . . . . . . . . . . . . . . . . . . . . . . 229
20.8.14 ISP Return codes. . . . . . . . . . . . . . . . . . . . . 229
20.9 IAP Commands . . . . . . . . . . . . . . . . . . . . . . . 230
20.9.1 Prepare sector(s) for write operation . . . . . . 232
20.9.2 Copy RAM to Flash . . . . . . . . . . . . . . . . . . . 233
20.9.3 Erase sector(s). . . . . . . . . . . . . . . . . . . . . . . 233
20.9.4 Blank check sector(s). . . . . . . . . . . . . . . . . . 234
20.9.5 Read Part Identification number . . . . . . . . . 234
20.9.6 Read Boot code version number . . . . . . . . . 234
20.9.7 Compare <address1> <address2>
<no of bytes> . . . . . . . . . . . . . . . . . . . . . . . . 235
20.9.8 Reinvoke ISP . . . . . . . . . . . . . . . . . . . . . . . . 235
20.9.9 IAP Status codes . . . . . . . . . . . . . . . . . . . . . 235
20.10 JTAG Flash programming interface. . . . . . . 236
21.3 Description . . . . . . . . . . . . . . . . . . . . . . . . . . 237
21.4 Pin description . . . . . . . . . . . . . . . . . . . . . . . 238
Rev. 01 — 24 June 2005
UM10120
Chapter 24: Supplementary information
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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