NEC Network Controller uPD98502 - Manual (Page 38)

CHAPTER 1 INTRODUCTION
38 Preliminary User’s Manual S15543EJ1V0UM
1.7.4 System control interface
Pin Name Pin No. I/O Active Level Function
SCLK V1 I System clock (33 MHz)
CLKSL U1 I Clock select (100 MHz/66 MHz)
PSMD AA3 I System PLL mode control (0: normal, 1: through)
PSTBY AA2 I System PLL standby mode control (0: active, 1: standby)
PUMD B27 I USB PLL mode control (0: normal, 1: through)
PUSTBY D25 I USB PLL standby mode control (0: active, 1: standby)
BIG D16 I H V R 4120 big endian mode
ENDCEN C15 I Endian conversion enable
EXINT_B A15 I L External interrupt
EXNM_BI A13 I L External non-maskable interrupt
RSTB_B AB30 I L System reset
RMSL0 E11 I ROM access bus width select
RMSL1 B11 I (RMSL1/0 = L/L: 32-bit, L/H: 16-bit, H/L: 8-bit)