NEC Network Controller uPD98502 - Manual (Page 197)

CHAPTER 3 SYSTEM CONTROLLER
Preliminary User’s Manual S15543EJ1V0UM 197
3.2.10 S_WRCR (Warm Reset Control Register)
The warm reset control register “S_WRCR” is a write-only and 32-bit word-aligned register. S_WRCR generates
warm-reset request to USB Controller, Ethernet Controller, ATM Cell Processor, UART, and PCI Controller
independently. S_WRCR is initialized to 0 at reset and contains the following fields:
Bits Field R/W Default Description
31:6 Reserved W 0 Hardwired to 0.
5 PCIWR W 0 Warm reset request for PCI Controller:
0 = do nothing.
1 = perform warm reset.
4 UARTWR W 0 Warm reset request for UART:
0 = do nothing.
1 = perform warm reset.
3 MAC2WR W 0 Warm reset request for Ethernet Controller #2:
0 = do nothing.
1 = perform warm reset.
2 ATMWR W 0 Warm reset request for ATM Cell Processor:
0 = do nothing.
1 = perform warm reset.
1 MACWR W 0 Warm reset request for Ethernet Controller #1:
0 = do nothing.
1 = perform warm reset.
0 USBWR W 0 Warm reset request for USB Controller:
0 = do nothing.
1 = perform warm reset.
Remark All fields in this register will read back as 0.