17 of 30 May 4, 2004
IDT 79RC32332
pci_ad[31:0], pci_cbe_n[3:0],
pci_par, pci_frame_n, pci_trdy_n,
pci_irdy_n, pci_stop_n, pci_perr_n,
pci_serr_n, pci_devsel_n
Tdo pci_clk rising 27.527.527.5ns
pci_req_n[0], pci_gnt_[2],
pci_gnt_n[1], pci_gnt_n[0],
pci_inta_n
Tdo pci_clk rising 27.527.527.5ns
SDRAM Controller
sdram_245_dt_r_n Tdo8 cpu_masterclk rising — 15 — 12 — 10 ns Chapter 11,
Figures 11.4 and
11.5
sdram_ras_n, sdram_cas_n,
sdram_we_n, sdram_cs_n[3:0],
sdram_s_n[1:0],
sdram_bemask_n[3:0], sdram_cke
Tdo9 cpu_masterclk rising — 12 — 9 — 8 ns
sdram_addr_12 Tdo10 cpu_masterclk rising — 12 — 9 — 8 ns
sdram_245_oe_n Tdo11 cpu_masterclk rising — 12 — 9 — 8 ns
sdram_245_dt_r_n Tdoh4 cpu_masterclk rising 1 — 1 — 1 — ns
sdram_ras_n, sdram_cas_n,
sdram_we_n, sdram_cs_n[3:0],
sdram_s_n[1:0],
sdram_bemask_n[3:0] sdram_cke,
sdram_addr_12, sdram_245_oe_n
Tdoh4 cpu_masterclk rising 2.5 — 2.5 — 2.5 — ns
DMA
dma_ready_n[0], dma_done_n[0] Tsu7 cpu_masterclk rising 9 — 7 — 6 — ns
Chapter 13,
Figure 13.4
dma_ready_n[0], dma_done_n[0] Thld9 cpu_masterclk rising 1 — 1 — 1 — ns
Interrupt Handling
cpu_int_n[1:0], cpu_nmi_n Tsu9 cpu_masterclk rising 9 — 7 — 6 — ns Chapter 14,
Figure 14.12
cpu_int_n[1:0], cpu_nmi_n Thld13 cpu_masterclk rising 1 — 1 — 1 — ns
PIO
PIO[7:0] Tsu7 cpu_masterclk rising 9 — 7 — 6 — ns Chapter 15,
Figures 15.9 and
15.10
PIO[7:0] Thld9 cpu_masterclk rising 1 — 1 — 1 — ns
PIO[7:6], PIO[4:0] Tdo16 cpu_masterclk rising — 15 — 12 — 10 ns
PIO[5] Tdo19 cpu_masterclk rising — 15 — 12 — 10 ns
PIO[7:6], PIO[4:0] Tdoh7 cpu_masterclk rising 1 — 1 — 1 — ns
PIO[5] Tdoh7 cpu_masterclk rising 1 — 1 — 1 — ns
UARTs
uart_rx[0], uart_tx[0] Tsu7 cpu_masterclk rising 15 — 12 — 10 — ns
Chapter 17,
Figure 17.16
uart_rx[0], uart_tx[0] Thld9 cpu_masterclk rising 15 — 12 — 10 — ns
uart_rx[0], uart_tx[0] Tdo16 cpu_masterclk rising — 15 — 12 — 10 ns
uart_rx[0], uart_tx[0] Tdoh8 cpu_masterclk rising 1 — 1 — 1 — ns
Signal Symbol
Reference
Edge
100MHz
1
133MHz
1
150MHz
1
Units
User Manual
Timing
Diagram
Reference
Min Max Min Max Min Max
Table 6 AC Timing Characteristics - RC32332 (Part 3 of 4)