Electronic device
The electronic device can be used with various modules attached to a device main body and is electrically connected by the respective connector portions. The device main body includes a connection terminal portion with a concave shape, and the module has a connection terminal portion with a convex shape that fits into the connection terminal portion of the device main body. The device main body includes a power source terminal group in a first surface, and includes a ground terminal group and terminal groups that are compatible with the external communication interface in the second surface on the side opposite thereto. The terminal groups has a pair of terminal groups that are used for transmitting differential signals and a ground terminal, and communication terminal groups for communication with a power source module are adjacent to the ground terminal.
1. An electronic device capable of being connected to a module, the electronic device comprising:
a connection terminal portion that is electrically connected to a terminal portion of the module, wherein the connection terminal portion includes (i) a power source terminal group on a first surface and (ii) a ground terminal group, a communication terminal group that is used for communication with the module, and a first terminal group that is compatible with an external communication interface that is different from the communication terminal group, on a second surface on a side opposite to the first surface of connection surfaces,
wherein the connection terminal portion is located on a first side face of the electronic device,
wherein the first terminal group has a pair of terminal groups that are used for transmitting differential signals and a ground terminal as a reference for the differential signals, and the communication terminal group is adjacent to the ground terminal arranged on a side opposite to a positive-side terminal of the pair of terminal groups, and
wherein the communication terminal group has a ground terminal, and the ground terminal is adjacent to the ground terminal of the first terminal group.
2. The electronic device according to claim 1 , wherein the connection terminal portion includes a second terminal group that is compatible with an external communication interface that is different from the communication terminal group on the first surface, and
wherein the second terminal group has a terminal group that includes a set of a plurality of pins and is used for transmitting differential signals and a ground terminal as a reference for the differential signals.
3. The electronic device according to claim 2 , wherein the number of terminals in the second terminal group is greater than the number of terminals in the first terminal group.
4. The electronic device according to claim 1 , wherein the communication terminal group has a clock terminal, and the clock terminal is adjacent to the first terminal group with a terminal that is not used for a communication with periodicity therebetween.
5. The electronic device according to claim 1 , wherein the electronic device is a camera module that includes an imaging portion.
6. An electronic device capable of being connected to the electronic device according to claim 5 , comprising:
a second connection terminal portion that is electrically connected to a first connection terminal portion with a concave shape provided in the camera module,
wherein the second connection terminal portion has a convex shape that fits into the first connection terminal portion, a power source terminal group is provided in a first surface, and a ground terminal group and a communication terminal group that is used for communication with the camera module are provided in a second surface on a side opposite to the first surface of connection surfaces with the first connection terminal portion.
7. The electronic device according to claim 1 , wherein the connection terminal portion is a concave-shaped first connection terminal portion in which a convex-shaped second connection terminal portion of the module can be inserted.
8. The electronic device according to claim 7 , wherein the first connection terminal portion includes a first wall portion and a second wall portion each perpendicular to the connection surfaces,
wherein the first wall portion faces the second wall portion,
wherein the ground terminal group of the first terminal group is located nearer to the first wall portion than other terminals disposed on the second face, and
wherein the first terminal group is located nearer to the second wall portion than other terminals disposed on the second face.