Analog Devices EZ-KIT Lite ADSP-BF533, Руководство пользователя

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ADSP-BF533 EZ-KIT Lite Evaluation System Manual 3-5
EZ-KIT Lite Hardware Reference
PPI Interface
The Parallel Peripheral Interface (PPI) of the ADSP-BF533 processor is a
half-duplex, bi-directional port that can accommodate up to 16 bits of
data. The interface has a dedicated input clock (27 MHz), three multi-
plexed frame sync signals, and four bits of dedicated data. The remaining
data bits come from re-configured programmable flag pins. For informa-
PF5
PF6
PF7
PF8
Push button (
SW4
). See “Using LEDs and Push But-
tons” on page 2-10 and “Push Button Enable Switch
(SW9)” on page 3-12 for information on how to dis-
able the push button.
PF9
Push button (
SW5
). See “Using LEDs and Push But-
tons” on page 2-10 and “Push Button Enable Switch
(SW9)” on page 3-12 for information on how to dis-
able the push button.
PF10
Push button (
SW6
). See “Using LEDs and Push But-
tons” on page 2-10 and “Push Button Enable Switch
(SW9)” on page 3-12 for information on how to dis-
able the push button.
PF11
Push button (
SW7
). See “Using LEDs and Push But-
tons” on page 2-10 and “Push Button Enable Switch
(SW9)” on page 3-12 for information on how to dis-
able the push button.
PF12 PPI7
ADV7171 and ADV7183 Data (
MSB
)
PF13 PPI6
ADV7171 and ADV7183 Data
PF14 PPI5
ADV7171 and ADV7183 Data
PF15 PPI4
ADV7171 and ADV7183 Data
Table 3-1. Programmable Flag Connections (Cont’d)
DSP PF Pin Other DSP Function EZ-KIT Function