3222/3223-DB1 Silicon Laboratories Inc, 3222/3223-DB1 Datasheet - Page 12

• Manufacturer Part Number: 3222/3223-DB1
• Description: EVAL BOARD FOR IA3222/3223
• Manufacturer: Silicon Laboratories Inc
• Series: EZ DAA™r

Specifications of 3222/3223-DB1

• Main Purpose: Telecom, Data Acquisition Arrangement (DAA)
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: IA3222, IA3223
• Primary Attributes: -
• Secondary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

IA3222/3223-EVB
// add on 07-12-06
//
//
//
12
/**************** p502_spi_model debouncing circuit **************/
reg d0_offhook;
reg d1_offhook;
reg d2_offhook, d3_offhook, d4_offhook, d5_offhook;
reg d6_offhook, d7_offhook, d8_offhook, d9_offhook;
wire offhook_wr = (d0_offhook & ~d1_offhook) | (~d0_offhook & d1_offhook);
wire total_offhk = d2_offhook | d3_offhook | d4_offhook | d5_offhook |
reg reg_0_sel;
reg
reg
wire
wire
wire
wire
wire
wire
reg
reg
always @(posedge clk1m or negedge rstb)
always @(negedge clk or negedge rstb)
wire reg_0_sel = d2_offhook | d3_offhook | d4_offhook | d5_offhook |
wire
if (rstb==0) clk <= 1'b0;
else
if (rstb==0)
else
begin
end
begin
assign q_w
assign q_r
sync_w
sync_w_b <= 1;
sync_r
sync_r_b <= 1;
sync_w
sync_w_b <= write_b;
sync_w, sync_w_b;
sync_r, sync_r_b;
q_w;
wrenb = ~(q_w & sync_w);
wren
q_r;
rdenb = ~(q_r & sync_r);
rden
wk_wr;
clk;
wren
clk <= ~clk;
<= 0;
<= 0;
<= write;
d6_offhook | d7_offhook | d8_offhook | d9_offhook;
d6_offhook | d7_offhook | d8_offhook | d9_offhook |
offhook;
= ~(sync_w_b & wrenb);
= ~ wrenb | offhook_wr;
= ~(sync_r_b & rdenb);
= ~ rdenb;
= ~ wrenb;
Preliminary Rev. 0.1