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IDT List of Figures
79RC32438 User Reference Manual
iv
November 4, 2002
Notes
Figure 4.2
Figure 4.3
Figure 4.4
Figure 4.5
Figure 5.1
Figure 5.2
Figure 5.3
Figure 5.4
Figure 5.5
Figure 5.6
Figure 5.7
Figure 5.8
Figure 5.9
Figure 5.10
Figure 5.11
Figure 5.12
Figure 5.13
Figure 5.14
Figure 5.15
Figure 5.16
Figure 5.17
Figure 5.18
CPU Error Address Register (CEA)..................................................................................4-4
Watchdog Timer Count Register (WTCOUNT).................................................................4-6
Watchdog Timer Compare Register (WTCOMPARE)......................................................4-6
Watchdog Timer Control Register (WTC).........................................................................4-7
Illustration of IPbus Arbitration Algorithm..........................................................................5-3
IPBus Arbitration Algorithm Flow Chart............................................................................5-5
IPBus Arbiter Configuration for Strict Priority Arbitration..................................................5-6
Example Operation of IPBus Arbiter with Strict Priority Arbitration...................................5-6
IPBus Arbiter Configuration for Fair Arbitration................................................................5-7
Example Operation of IPBus Arbiter with Fair Arbitration.................................................5-7
IPBus Arbiter Configuration for Priority Arbitration with Fairness.....................................5-7
Example Operation of IPBus Arbiter with Priority Arbitration with Fairness......................5-8
IPBus Arbiter Configuration for Weighted Round Robin...................................................5-8
Example Operation of IPBus Arbiter with Weighted Round Robin...................................5-8
IPBus Arbiter Control Register (IPAC)..............................................................................5-9
IPBus Arbiter Priority Configuration [0..3] Register (IPAP[0..3]C)..................................5-10
IPBus Arbiter Bus Master [0..16] Configuration Register (IPABM[0..16]).......................5-11
IPBus Idle Transaction Cycle Count Register (IPAITCC)...............................................5-12
PMBus Arbiter Processor Priority Register (PMAPP).....................................................5-13
PMBus Arbiter Sneak Access Control Register (PMASAC)...........................................5-13
External Bus Arbitration..................................................................................................5-15
External Bus Arbitration with RC32438 Requesting that Ownership
Be Relinquished..............................................................................................................5-15
Connecting Devices to the RC32438 Data Bus (Right Aligned).......................................6-3
Device [0..5] Base Register (DEV[0..5]BASE)..................................................................6-5
Device [0..5] Mask Register (DEV[0..5]MASK).................................................................6-5
Device [0..5] Control Register (DEV[0..5]C).....................................................................6-6
Device [0..5] Timing Control Register (DEV[0..5]TC).......................................................6-8
Bus Timer Control and Status Register (BTCS).............................................................6-10
Bus Transaction Timer Compare Register (BTCOMPARE)...........................................6-10
Bus Transaction Timer Address Register (BTADDR).....................................................6-11
Generic Device Read Transaction..................................................................................6-12
Device Read Transaction
1
(WAITACKN Configured As Wait).......................................6-13
Device Read Transaction (WAITACKN Configured As Transfer Acknowledge)............6-13
Generic Burst Device Read Transaction........................................................................6-14
Burst Device Read Transaction......................................................................................6-15
Generic Device Write Transaction
1
................................................................................6-16
Generic Burst Device Write Transaction.........................................................................6-17
Device Decoupled Access Control and Status Register (DEVDACS)............................6-19
Device Decoupled Access Address Register (DEVDAA)...............................................6-20
Device Decoupled Access Data Register (DEVDAD).....................................................6-20
DDR Control Register (DDRC).........................................................................................7-5
DDR Read Data Capture Edge Select Configurations...................................................7-10
DDR Read Data Capture Register (DDRRDC)...............................................................7-10
DDR0 Alternate Address Mapping..................................................................................7-12
DDR [0|1] Base Register (DDR[0|1]BASE).....................................................................7-12
DDR [0|1] Mask Register (DDR[0|1]MASK)....................................................................7-13
DDR 0 Alternate Base Register (DDR0ABASE).............................................................7-13
DDR 0 Alternate Mask Register (DDR0AMASK)............................................................7-14
DDR 0 Alternate Mapping Register (DDR0AMAP).........................................................7-14
DDR Data Bus Multiplexing Address Range Expansion.................................................7-15
32-bit Bank DDR Data Bus Multiplexing.........................................................................7-15
16-bit Bank DDR Data Bus Multiplexing.........................................................................7-16
DDR Custom Transaction Register (DDRCUST)...........................................................7-17
Refresh Timer Count Register (RCOUNT).....................................................................7-18
Figure 6.1
Figure 6.2
Figure 6.3
Figure 6.4
Figure 6.5
Figure 6.6
Figure 6.7
Figure 6.8
Figure 6.9
Figure 6.10
Figure 6.11
Figure 6.12
Figure 6.13
Figure 6.14
Figure 6.15
Figure 6.16
Figure 6.17
Figure 6.18
Figure 7.1
Figure 7.2
Figure 7.3
Figure 7.4
Figure 7.5
Figure 7.6
Figure 7.7
Figure 7.8
Figure 7.9
Figure 7.10
Figure 7.11
Figure 7.12
Figure 7.13
Figure 7.14