W99681CF Datasheet, PDF (11/78 Pages) Winbond – JPEG USB Dual Mode Camera Chip

W99681CF
4 PIN DESCRIPTION
The following signal types are used in these descriptions.
I
Input pin
IU
Input pin with internal pull-up resistor
B
Bi-directional input/output pin
O
Output pin
AIO
Analog input/output pin
P
Power supply pin
G
Ground pin
#
Active low
4.1 Pin Definition
USB and External Transceiver Interface (8 pins)
Pin Name
DM
DP
VM
VP
RCV
TOE#
VMO
VPO
Pin Number
50
51
53
54
55
57
58
59
Type
AIO
AIO
IU
IU
IU
O
O
O
Description
Data Minus line of differential USB upstream port.
Data Plus line of differential USB upstream port.
Note: provide an external 1.5 KΩ pull-up resistor at DP so the
device indicates to the host that it is a full-speed device.
Single-ended Receiver Input of the data minus line.
Single-ended Receiver Input of the data plus line.
Differential Receiver Input.
Output Enable for external transceiver.
Data Minus Output to the differential driver.
Data Plus Output to the differential driver.
DRAM Interface (37 pins)
Pin Name
MD[15:0]
MA[10:0]
Pin Number
92-95, 97-106,
109-110
65-68, 70, 72-
77
Type
B
O
Description
Data Bus.
Address Bus.
Note: for SDRAM, MA[10:0] are sampled during the ACTIVE
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Publication Release Date: March 2000
Revision A1