//===================================================================
// 單    位：深圳市證通金信科技有限公司
// 作    者：付慶
// 版    本：0.00.01	[主版本號.次版本號.修訂版本號]
// 創建日期：2006-02-10
// 修改日期：2006-02-10
// 說    明：系統寄存器定義
// 修改記錄：
//===================================================================

//-------------------------------*/
//         Port A, B, C, D       */
//-------------------------------*/
.const  P_IOA_Data      =0x7000;        //R/W, portA data
        // IOA0~IOA7 can be set as input or output pin by pin.
        // Input mode  - IOA0~IOA7 provide pull-high resistosrs
        //               IOA6 & IOA7 provide pull-low resistors
        // Output mode - CMOS output
        // Wake-up     - IOA0~IOA7 all provide wake-up function
        // IOA0~4  - (I) Keyboad inputs      (pull-high)
        // IOA5    - (O) Option        (low active);
        // IOA6    - (I) Pulse/Tone Select   (pull-high <-> pull-low)
        //               10pps / 20pps / Tone = low/floating/high
        // IOA7    - (I) Lock Select         (pull-high <-> pull-low)
        //               disable / lock all / lock 0 = low/floating/high

.const  P_IOA_Buf       =0x7001;        //R, port A output latch
.const  P_IOA_Dir       =0x7002;        //R/W, portA direction, 0/1 = I/O
.const  P_IOA_PullR     =0x7003;        //R/W, portA pull-highs & pull-lows
                        // b15~b8 = 1 to enable pull-high of IOA7~IOA0
                        // b7~b6 = 1 to enable pull-low of IOA7~IOA6
.const  P_IOA_Latch     =0x7004;        //R, latch IO for wakeup

//---------------------------------
.const  P_IOB_Data      =0x7005;        //R/W, portB data
        // IOB0~IOB7 can be set as input or output pin by pin.
        // Input mode  - CMOS input (without pulled reisitors)
        // Output mode - IOB0~IOB5 are CMOS outputs
        //               IOB6 & IOB7 are NMOS open-drain
        // Wake-up     - no wake-up function
        // IOB0~4  - (O) keyboard driven lines (CMOS output)     (low active)
        // IOB5    - (O) HandFree Output       (CMOS output)     (high active)
        // IOB6    - (O) /Xmute                (NMOS open-drain) (low active)
        // IOB7    - (O) DP                    (NMOS open-drain) (high active)
.const  P_IOB_Buf       =0x7006;        //R, portB output latch
.const  P_IOB_Dir       =0x7007;        //R/W, portB direction, 0/1 = I/O

//---------------------------------
.const  P_IOC_Data      =0x7008;        //R/W, portC data
        // IOC0~IOC7 can be set as input or output pin by pin.
        // Input mode  - CMOS input (without pulled reisitors)
        // Output mode - IOC0~IOC5 are CMOS outputs
        //               IOC6 & IOC7 are NMOS open-drain
        // Wake-up     - IOC0 & IOC1 provide wake-up function
        // IOC0    - (I) Ringer Detect (wake-up)
        // IOC1    - (I) Hook Detect   (wake-up)
        // IOC2    - (O) Option        (low active)
        // IOC6    - (I) Steal Detect, Auto-Hold release
        // IOC4    - (O) Ringer Contrl
        // IOC6    - (O) nMOS open-dran, output '0' if NC
        // IOC7    - (O) nMOS open-dran, output '0' if NC
.const  P_IOC_Buf       =0x7009;        //R, portC output latch
.const  P_IOC_Dir       =0x700A;        //R/W, portC direction
//---------------------------------
.const  P_IOD_Data      =0x700B;        //R/W, portD data
        // IOD0~1 can be set as input or output pin by pin.
        // Input mode  - CMOS input (without pulled reisitors)
        // Output mode - IOD0~IOD1 are CMOS outputs
        // Wake-up     - no wake-up function
        // IOD0~1  - (x)
.const  P_IOD_Buf       =0x700C;        //R, portD output latch
.const  P_IOD_Dir       =0x700D;        //R/W, portD direction, 0/1 = I/O
//---------------------------------
.const  P_IOCD_Ctrl     =0x700E;
//   XXXX XXXX 7654 3210
//               吵 吵懶