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→Purpose of I3 and I4
Line 163:
Line 163:
| 2 || Screen_on || On/Off || 0-1.8V || || || Screen power state, active high
| 2 || Screen_on || On/Off || 0-1.8V || || || Screen power state, active high
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|-
−| 3 || || UART || 0-1.8V || || 1.5MBaud? ||
+| 3 || || UART || 0-1.8V || || 1.5MBaud? || Communication CPU -> Bluetooth using HCI
|-
|-
−| 4 || || UART || 0-1.8V || || 1.5MBaud? ||
+| 4 || || UART || 0-1.8V || || 1.5MBaud? || Communication Bluetooth -> CPU using HCI
|-
|-
| 5 || || Flow control || 0-1.8V || || || Flow control for pad I-4?
| 5 || || Flow control || 0-1.8V || || || Flow control for pad I-4?
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Line 171:
| 6 || || || 0-1.8V || || || Needs testing with chip/touch screen interface board plugged in
| 6 || || || 0-1.8V || || || Needs testing with chip/touch screen interface board plugged in
|}
|}
−=== Cluster J ===
=== Cluster J ===