W712 Datasheet, PDF (4/17 Pages) OKI electronic componets – Universal Serial Bus Controller 0.5uM Technology Mega Macrofunction

s W712 USB Device Controller s –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Recommended Operating Conditions (V_SS = 0 V)
Parameter
Symbol
Min.
Typ.
Max
Unit
Power supply voltage
V_DD
2.7
3.3
3.6
V
Operating temperature
T_j
-40
+25
+85
°C
Mega Macrofunction Characteristics
Mega Macrofunction
W712
Description
USB Device Controller
Logic Gate Count
15797
Logic Pin Count
139
USB Interface
Application Interface
usb_dpin
usb_dmin
usb_rxd
usb_dpout
usb_dmout
usb_txenb
full_spden
sel_ext_pll
sys_clock
sys_reset
testmode
mwr_rdb
[7:0]ma
[7:0]md
mrdyb
[7:0]pd
[3:0]pkt_rdy
setup_rdy
setup_rdy2
iso_err
usb_reset
validsof
validin
validout
W712
[7:0]trx_out_data
[7:0]rcv_out_data
[7:0]trx_in_data
[2:0]trx_sel
[8:0]trx_wr_ptr
[8:0]trx_rd_ptr
[6:0]trx_wrb
[7:0]rcv_in_data
[2:0]rcv_sel
[8:0]rcv_wr_ptr
[8:0]rcv_rd_ptr
[6:0]rcv_wrb
osc_clk
usb_clk_ext
usb_rxd_out
FIFO Interface
DPLL Interface
Figure 1. Logic Symbol
2
Oki Semiconductor