Typewriter User Manual

9- 8 MC68340 USER’S MANUAL MOTOROLA
FIG. 9-4
1
MUX
1
G1
1
MUX
1
G1
OUTPUT
CONTRO
L
FRO
M
SYSTEM
LOGI
C
FROM
LAST
CELL
1D
C1
CLOCK DR
1D
C1
UPDATE DR
TO NEXT
CELL
TO OUTPUT
ENABLE
R
RESET
(1 = DRIVE)
1 – EXTEST
0
– OTHERWISE
SHIFT DR
Figure 9-5. Active-High Output Control Cell (IO.Ctl1)
1
MUX
1
G1
1
MUX
1
G1
OUTPUT
CONTRO
L
FRO
M
SYSTEM
LOGI
C
FROM
LAST
CELL
1D
C1
CLOCK DR
1D
C1
UPDATE DR
TO NEXT
CELL
TO OUTPUT
ENABLE
R
RESET
(1 = DRIVE)
1 – EXTEST
0
– OTHERWISE
SHIFT DR
Figure 9-6. Active-Low Output Control Cell (IO.Ctl0)
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cale Semiconductor,
I
Freescale Semiconductor, Inc.
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