upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 321
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upd78f0730
Manufacturer Part Number
upd78f0730
Description
8-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0730.pdf
(518 pages)
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(36) UF0 endpoint 2 interface mapping register (UF0E2IM)
Remark
UF0E2IM
Bit position
7 to 5
3 to 0
This register specifies for which Interface and Alternative Setting Endpoint2 is valid.
This register can be read or written in 8-bit units.
The setting of this register and the Alternative Setting selected by the SET_INTERFACE request indicate
whether
GET_STATUS/CLEAR_FEATURE/SET_FEATURE Endpoint2 request and the OUT transaction to Endpoint2
are responded to, and whether the related bits are valid or invalid.
4
n = 1 to 4
E2EN2
7
E2EN2 to
E2EN0
E22AL1
E25ALn
Endpoint2
Bit name
E2EN1
6
CHAPTER 12 USB FUNCTION CONTROLLER (USBF)
E2EN0
is
These bits set a link between the Interface of Endpoint2 and the two-/five-series
Alternative Setting. The endpoint is linked with Alternative Setting 0. The endpoint linked
with Alternative Setting 0 cannot be excluded from Alternative Setting 1 to 4.
When these bits are set to 110 or 111, they are invalid even if the E22AL1 bit is cleared
to 0.
If the endpoint is linked, setting of the CONF bit of the UF0MODS register to 1 indicates
that Endpoint2 is valid.
This bit validates Endpoint2 when the two-series Alternative Setting and the Alternative
Setting of the linked Interface are set to 1.
This bit is valid when the E25AL4 to E25AL1 bits are 0000.
These bits validate Endpoint2 when the five-series Alternative Setting and the Alternative
Setting of the linked Interface are set to n.
5
1: Validate the endpoint when Alternative Setting 1 is set with CONF bit = 1.
0: Do not validate the endpoint even when Alternative Setting 1 is set with CONF bit =
1: Validate the endpoint when Alternative Setting n is set with CONF bit = 1.
0: Do not validate the endpoint even when Alternative Setting n is set with CONF bit =
E2EN2
1 (default value).
1 (default value).
currently
1
1
1
1
0
0
0
0
Preliminary User’s Manual U19014EJ1V0UD
E22AL1
4
E2EN1
1
1
0
0
1
1
0
0
E25AL4
valid,
3
E2EN0
1
0
1
0
1
0
1
0
E25AL3
and
2
Not linked with Interface
Linked with Interface 4 and Alternative Setting 0
Linked with Interface 3 and Alternative Setting 0
Linked with Interface 2 and Alternative Setting 0
Linked with Interface 1 and Alternative Setting 0
Linked with Interface 0 and Alternative Setting 0
Not linked with Interface (default value)
the
Function
E25AL2
1
hardware
E25AL1
0
Link status
determines
Address
FF74H
After reset
how
00H
321
the
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