参数资料
型号: SPT711XPFCE
厂商: Freescale Semiconductor
文件页数: 34/60页
文件大小: 0K
描述: CARD TELEPHONY FARM CRD 711X
标准包装: 1
系列: *
CPLD Firmware
3’d1: {m_int_cs, m_swch_hcs, m_dsp_bhcs, m_dsp_hcs} <=
3’d2: {m_int_cs, m_swch_hcs, m_dsp_bhcs, m_dsp_hcs} <=
3’d3: {m_int_cs, m_swch_hcs, m_dsp_bhcs, m_dsp_hcs} <=
3’d4: {m_int_cs, m_swch_hcs, m_dsp_bhcs, m_dsp_hcs} <=
3’d5: {m_int_cs, m_swch_hcs, m_dsp_bhcs, m_dsp_hcs} <=
// No 6, default.
3’d7: {m_int_cs, m_swch_hcs, m_dsp_bhcs, m_dsp_hcs} <=
default: {m_int_cs, m_swch_hcs, m_dsp_bhcs, m_dsp_hcs}
{5’b11111, HCS, 1’b1};
{4’b1111, HCS, 2’b11};
{3’b111, HCS, 3’b111};
{2’b11, HCS, 4’b1111};
{1’b1, HCS, 5’b11111};
{HCS, 6’b111111};
<= 7’b1111111;
endcase
end
// Internal Registers (Write Logic)
assign m_int_we = (m_int_cs | HDS | HRW);
always @ (negedge m_int_we or negedge GOOD_3V3)
begin
if (!GOOD_3V3)
begin
m_led_out <= 1’b0;
m_poreset_out <= 1’d0;
m_hreset_out <= 4’d0;
m_swte_out <= 1’d0;
m_dbreq_out <= 1’d0;
m_bm_out <= 4’d0;
m_hreq_en <= 8’d0;
m_dsp_irq_en <= 4’d0;
end
else
begin
case (DSP_HA)
// RESET CONTROL/STATUS REGISTER
3’d0: {m_hreset_out} <= DSP_HD[3:0];
// BOOT MODE CONTROL REGISTER
3’d1: {m_led_out, m_poreset_out, m_swte_out,
m_dbreq_out, m_bm_out} <=
{DSP_HD[7:0]};
// HREQ ENABLE REGISTER
3’d3: m_hreq_en <= DSP_HD[7:0];
// IRQ FROM DSP ENABLE REGISTER
3’d5: m_dsp_irq_en <= DSP_HD[7:4];
default: ;
endcase
end
end
// Internal Registers and Status (Read Logic)
assign DSP_HD = m_data_out;
assign m_int_oe = (m_int_cs | HDS | (!HRW));
always @ *
begin
if (m_int_oe)
begin
m_data_out <= 8’hzz;
end
MSC711x Packet Telephony Farm Card (SPT711xPFCE), Rev. 1
34
Freescale Semiconductor
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