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BIT1612 10-Bit Digital Video Decoder with OSD and T-CON

6.4 Pad Type Setup

BIT1612 輸出的 PAD 可設定為 Tri-State 輸出，而輸入的 PAD 尚可控制其內建之 Pull-Up or Pull-Down 電阻

導通或關閉，相關 Registers 設定請參考下表。

Table 6-6 Output Tri-State Control Register

Mnemonic Address R/W Bits Description Default

R_ROUT_TRI 0x007[0] RW 1 ROUT Port Tri-State Enable 1

R_GOUT_TRI 0x007[1] RW 1 GOUT Port Tri-State Enable 1

R_BOUT_TRI 0x007[2] RW 1 BOUT Port Tri-State Enable 1

R_TOUT_TRI 0x007[3] RW 1 TOUT Port Tri-State Enable 1

R_OCLK_TRI 0x007[4] RW 1 OCLK (43) Pin Tri-State Enable 1

R_PWM1_TRI 0x007[5] RW 1 PWM1 (74) Pin Tri-State Enable 1

R_PWM2_TRI 0x007[6] RW 1 PWM2 (75) Pin Tri-State Enable 1

SRGB Port Tri-State Enable

R_SRGB_TRI 0x007[7] RW 1

1 Î Tri-State, 0 ÎNormal

Table 6-7 Pad Pull Up or Down Control Register

Mnemonic Address R/W Bits Description Default

R_BIN_REN 0x0FD[7:0] RW 8 BIN[7:0] Port Pull-Down Resistance On/Off 0x00

R_TOUT_REN 0x0FE[7:0] RW 8 TOUT[7:0] Port Pull-Up Resistance On/Off 0xFF

R_RIN_REN 0x0FF[0] RW 1 RIN[7:0] Port Pull-Down Resistance On/Off 0

R_GIN_REN 0x0FF[1] RW 1 GIN[7] Pin Pull-Down Resistance On/Off 0

R_GIN1_REN 0x0FF[2] RW 1 GIN[6:0] Port Pull-Down Resistance On/Off 0

R_SYNC_REN 0x0FF[3] RW 1

HSYNC/VSYNC Pins Pull-Down Resistance

On/Off

IR (Pin 113) Pin Pull-Down Resistance On/Off

R_IR_REN 0x0FF[4] RW 1

1 Î Off, 0 ÎOn

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 114 115

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