Flash Memory
MPC5606S Microcontroller Reference Manual, Rev. 7
662
Freescale Semiconductor
Figure 17-51. 3-cycle access, Stall-and-Retry with Bn_RWWC = 11x
, the 3-cycle access to address y is interrupted when an operation causes the
bkn_done
signal to be negated signaling that the array bank is busy with a high-voltage program or erase
event. Eventually, this array operation completes (at the end of cycle 4) and
bkn_done
returns to a logical
1. In cycle 6, the PFLASH2P_LCA module retries the read to address y which was interrupted by the
negation of
bkn_done
in cycle 3. Note that throughout cycles 2-9, the AHB bus pipeline is stalled with a
read to address y in the AHB data phase and a read to address y+4 in the address phase. Depending on the
state of the least-significant-bit of the Bn_RWWC control field, the hardware may also signal a stall
notification interrupt (if Bn_RWWC = 110). The stall notification interrupt is shown as the optional
assertion of ECSM’s MIR[FBnSI] (flash bank n stall interrupt).
nonseq
seq
addr y
addr y+4
C(y)
C(y+4)
okay
okay
okay
okay
okay
okay
okay
okay
y
C(y)
Burst Read, Stall-and-Retry, APC=2, RWSC=2, PFLM=2
1
2
3
4
5
6
7
8
addr y
seq
addr y+8
y+16
y+16
y
okay
okay
addr y+16
addr y (
retry)
hclk
htrans
haddr, hprot
hwrite
hrdata
hwdata
hready_out
hresp
bkn_fl_addr
bkn_fl_rd_en
bkn_fl_wr_en
bkn_fl_rdata
bkn_fl_xfr_err
bkn_done
bkn_abort
ECSM_mir[fbnsi]
ECSM_mir[fbnai]
9
10
Содержание MPC5602S
Страница 76: ...Overview MPC5606S Microcontroller Reference Manual Rev 7 74 Freescale Semiconductor...
Страница 82: ...Memory Map MPC5606S Microcontroller Reference Manual Rev 7 80 Freescale Semiconductor...
Страница 112: ...Signal Description MPC5606S Microcontroller Reference Manual Rev 7 110 Freescale Semiconductor...
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Страница 182: ...Boot Assist Module BAM MPC5606S Microcontroller Reference Manual Rev 7 180 Freescale Semiconductor...
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Страница 524: ...Enhanced Direct Memory Access eDMA MPC5606S Microcontroller Reference Manual Rev 7 522 Freescale Semiconductor...
Страница 546: ...Error Correction Status Module ECSM MPC5606S Microcontroller Reference Manual Rev 7 544 Freescale Semiconductor...
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Страница 1106: ...Real Time Clock RTC API MPC5606S Microcontroller Reference Manual Rev 7 1104 Freescale Semiconductor...
Страница 1186: ...Stepper Stall Detect SSD MPC5606S Microcontroller Reference Manual Rev 7 1184 Freescale Semiconductor...
Страница 1213: ...System Integration Unit Lite SIUL MPC5606S Microcontroller Reference Manual Rev 7 Freescale Semiconductor 1211...
Страница 1214: ...System Integration Unit Lite SIUL MPC5606S Microcontroller Reference Manual Rev 7 1212 Freescale Semiconductor...
Страница 1238: ...Voltage Regulators and Power Supplies MPC5606S Microcontroller Reference Manual Rev 7 1236 Freescale Semiconductor...
Страница 1252: ...Wakeup Unit WKPU MPC5606S Microcontroller Reference Manual Rev 7 1250 Freescale Semiconductor...
Страница 1258: ...Registers Under Protection MPC5606S Microcontroller Reference Manual Rev 7 1256 Freescale Semiconductor...
Страница 1323: ...Register Map MPC5606S Microcontroller Reference Manual Rev 7 Freescale Semiconductor 1321...
Страница 1324: ...Register Map MPC5606S Microcontroller Reference Manual Rev 7 1322 Freescale Semiconductor...