Motorola MPC8260 用户手册
MOTOROLA
Chapter 4. System Interface Unit (SIU)
4-45
Part II. ConÞguration and Reset
Table 4-24. SIU Pins Multiplexing Control
Pin Name
Pin ConÞguration Control
GBL/IRQ1
CI/BADDR29/IRQ2
WT/BADDR30/IRQ3
L2_HIT/IRQ4
CPU_BG/BADDR31/IRQ5
ABB/IRQ2
DBB/IRQ3
DBB/IRQ3
NC/DP0/RSRV/EXT_BR2
IRQ1/DP1/EXT_BG2
IRQ2/DP2/TLBISYNC/EXT_DBG2
IRQ3/DP3/CKSTP_OUT/EXT_BR3
IRQ4/DP4/CORE_SRESET/EXT_BG3
IRQ5/DP5/TBEN/EXT_DBG3
IRQ6/DP6/CSE0
IRQ7/DP7/CSE1
IRQ7/DP7/CSE1
CS[10]/BCTL1/DBG_DIS
CS[11]/AP[0]
PAR/
L_A14
SMI/FRAME/
L_A15
TRDY/
L_A16
CKSTOP_OUT/IRDY/
L_A17
STOP/
L_A18
DEVSEL/
L_A19
IDSEL/
L_A20
PERR/
L_A21
SERR/
L_A22
REQ0/
L_A23
REQ1/
L_A24
GNT0/
L_A25
GNT1/
L_A26
CLK/
L_A27
CORE_SRESET/RST/
L_A28
INTA/
L_A29
LOCK/
L_A30
AD[0–31]/
LCL_D[0Ð31]
C/BE[0–3]/
LCL_DP[0Ð3]
BNKSEL[0]/TC[0]/AP[1]/MODCK1
BNKSEL[1]/TC[1]/AP[2]/MODCK2
BNKSEL[2]/TC[2]/AP[3]/MODCK3
BNKSEL[1]/TC[1]/AP[2]/MODCK2
BNKSEL[2]/TC[2]/AP[3]/MODCK3
Controlled by SIUMCR programming see Section 4.3.2.6, ÒSIU Module
ConÞguration Register (SIUMCR),Ó for more details.
ConÞguration Register (SIUMCR),Ó for more details.
PWE[0Ð7]/PSDDQM[0Ð7]/PBS[0Ð7]
PSDA10/PGPL0
PSDWE/PGPL1
POE/PSDRAS/PGPL2
PSDCAS/PGPL3
PGTA/PUPMWAIT/PGPL4/PPBS
PSDAMUX/PGPL5
LBS[0Ð3]/LSDDQM[0Ð3]/LWE[0Ð3]
LGPL0/LSDA10
LGPL1/LSDWE
LGPL2/LSDRAS/LOE
LGPL3/LSDCAS
LPBS/LGPL4/LUPWAIT/LGTA
LGPL5/LSDAMUX
Controlled dynamically according to the speciÞc memory controller
machine that handles the current bus transaction.
machine that handles the current bus transaction.