ZL50114GAG2 ZARLINK [Zarlink Semiconductor Inc], ZL50114GAG2 Datasheet - Page 96

• Manufacturer Part Number: ZL50114GAG2
• Description: 128, 256 and 1024 Channel CESoP Processors
• Manufacturer: ZARLINK [Zarlink Semiconductor Inc]

The function of the circuit is to extend the TA signal, to ensure the CPU correctly registers it. Resistor R2 must be
fitted to ensure correct operation of the TA input to the processor. It is recommended that the logic is fitted close to
the ZL50110/11/14 and that the clock to the 74LCX74 is derived from the same clock source as that input to the
ZL50110/11/14.
13.3
The ZL50111 and ZL50110/1/4 have different Mx_LINKUP_LED pin assignments as shown in Table 42.
Mx_LINKUP_LED Outputs
CPU_CLK
to ZL50110/11/14
CPU_TA
from ZL50110/11/14
M0_LINKUP_LED
M1_LINKUP_LED
M2_LINKUP_LED
M3_LINKUP_LED
Signal
Table 42 - Mx_LINKUP_LED Pin Assignments
+3V3
Figure 49 - CPU_TA Board Circuit
4K7
R1
D
Zarlink Semiconductor Inc.
ZL50110/11/14
Q
ZL50111 Pin
AB23
G23
G24
F26
96
CPU_CS
to ZL50110/11/14
ZL50110/4 Pin
+
G24
G23
NC
NC
3V3
R2
4K7
CPU_TA
to CPU
Data Sheet