3222/3223-DB1 Silicon Laboratories Inc, 3222/3223-DB1 Datasheet - Page 13

• 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

8'b11000000 : 8'b0;
: 1'b0;
wire
/**************** p502_spi_model register **************/
reg
reg
reg
wire
reg
reg
reg
wire
wire
reg
reg
reg
wire
wire
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/*********************** add new function 07-12-2006 *********************/
always @(posedge clk_16 or negedge rstb)
end
if (rstb==0)
sync_r
sync_r_b <= read_b;
[7:0] read_cnt;
[2:0] bit_cnt;
[2:0] cnt, sync_cnt, s_sync_cnt;
[7:0] data;
[7:0] r_data= (read_cnt==8'h02) ? 8'b10100000 : (read_cnt==8'h04) ?
[2:0] downcnt = {~bit_cnt[2],~bit_cnt[1],~bit_cnt[0]};
begin
end
d2_offhook <= 0;
d3_offhook <= 0;
d4_offhook <= 0;
d5_offhook <= 0;
d6_offhook <= 0;
d7_offhook <= 0;
d8_offhook <= 0;
d9_offhook <= 0;
tmp_din = (wk_wr==1) ? data[downcnt] : (wk_read==1) ? r_data[downcnt]
t_sync_cnt = (sync_cnt==3'b101);
r_sync;
wr;
t_csb;
tri_in = ~rstb;
csb = (tri_in==1) ? 1'bZ : t_csb;
t_wk_read;
wk_read;
cnt_q0, cnt_q1, cnt_q2, cnt_q3;
clk_16 = cnt_q3;
clearb = rstb & ~(r_sync);
readen = (read_cnt==8'h02) | (read_cnt==8'h04);
tmp_csb = ~(wk_wr & ~clk_16) & ~(wk_read & ~clk_16 & readen);
bit_rstb = rstb & ~t_csb;
wk2_csb;
din = (tri_in==1) ? 1'bZ : tmp_din & ~wk2_csb & ~t_csb;
sclk = (tri_in==1) ? 1'bZ : (csb==1) ? 1'b1 : clk;
cnt_clearb = rstb & wk_read;
<= read;
Preliminary Rev. 0.1
IA3222/3223-EVB
13