Cypress EZ-USB FX3 User Manual

EZ-USB FX3 Technical Reference Manual, Document Number: 001-76074 Rev. *F 296
PIB_DLL_CTRL
0xE0010028
10.6.9 PIB_DLL_CTRL (continued)
011 Phase Comparator DFT #1. The used dll_out signals are available for monitoring on
TDO pin in clock_observation_mode
100 Scan test: monitor test_so. This mode is not cannot be selected through register
control.
101 Phase Comparator DFT #2: The used dll_out signals are available for monitoring on
TDO pin in clock_observation_mode
110 Error code reset: The error_code[1:0] output of the dll is available for monitoring on
the designated GPIO in clock_observation_mode
111 This setting is used either for fault grading or monotonicity testing, based on the set-
tings of the “mode” input.
DLL_MODE =0: Fault grading. The DLL's phase comparator drives dllrdy, which is
available for monitoring on the designated GPIO in clock_observation_mode
DLL_MODE =1: Monotonicity test. The used dll_out signals are available for moni-
toring on TDO pin in clock_observation_mode
2 DLL_STAT 0 DLL is not in phase lock
1 DLL has achieved phase lock
1HIGH_FREQ 0 23 to 80 MHz
1 70 to 230 MHz
0 ENABLE Drives the DLLEN input
0 DLL is disabled (internally power gated)
1 DLL is enabled

Cypress EZ-USB FX3 Specifications

General

Brand	Cypress
Model	EZ-USB FX3
Category	Controller
Language	English