M68360QUADS-040 Hardware User’s Manual
SUPPORT INFORMATION
66
; S_RST: Synchronized RESETH
; DS_RST: Double synchronized RESETH
; D_RST: Detect RESETH asserted.
; CONF2: QUICC CONFIG2 pin, which determines core disable.
; Q0 - Q5: counter stages
; RESETH: QUICCs hard reset i/o pin - active low.
; CIN: Active high count enable.
;*************************************************************************
CHIP DIS_BUG PAL22V10
;**********************
CLK NC NC NC NC NC NC NC CIN NC RESETH GND
; I1 I2 I3 I4 I5 I6 I7 I8 I9 I10 I11 12
NC Q5 Q4 Q3 Q2 Q1 Q0 CONF2 D_RST DS_RST S_RST VCC
; I13 O14 O15 O16 O17 O18 O19 O20 O21 O22 O23 24
GLOBAL
EQUATIONS
;*************
S_RST := RESETH; Sync RESETH
S_RST.TRST = VCC
DS_RST := S_RST; Double sync RESETH
DS_RST.TRST = VCC
/D_RST = /S_RST * DS_RST ; Identifying RESETH falling edge to
; synchronously reset the counter
Q0 := /Q0 * D_RST * CIN ; Counter LSB
+ Q0 * D_RST * /CIN
Q0.TRST = VCC
Q1 := /Q1 * Q0 * D_RST * CIN
+ Q1 * /Q0 * D_RST * CIN
+ Q1 * D_RST * /CIN
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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