Microsemi SmartDesign MSS GPIO nhazi
The SmartFusion Microcontroller Subsystem (MSS) na-enye GPIO hard peripheral (APB_1 sub ụgbọ ala) na 32 GPIOs nhazi. Enwere ike ịkọwapụta ezigbo omume nke GPIO ọ bụla (ntinye, mmepụta na mmepụta na-enye njikwa ndekọ aha, ụdị nkwụsịtụ, wdg) na ọkwa ngwa site na iji SmartFusion MSS GPIO Driver nke Actel nyere. Agbanyeghị, ị ga-akọwarịrị ma GPIO ejikọrọ ozugbo na pad mpụga (MSS I/O) ma ọ bụ na akwa FPGA. A na-eme akụkụ a nke nhazi ngwaọrụ site na iji nhazi MSS GPIO ma kọwaa ya na akwụkwọ a.
Maka nkọwa ndị ọzọ gbasara MSS GPIO hard peripheral, biko rụtụ aka na ntuziaka onye ọrụ nke Subsystem nke Actel SmartFusion.
Nhọrọ njikọta
MSS I/O Pad - Họrọ nhọrọ a iji gosi na GPIO ahọpụtara ga-ejikọta na pad raara onwe ya nye mpụga (MSS I/O). Ị ga-ahọrọ ụdị nchekwa I/O - INBUF, OUTBUF, TRIBUFF na BIBUF - nke ga-akọwa otú e si ahazi pad MSS I/O. Rịba ama na nhọrọ a nwere ike ọ gaghị adị ma ọ bụrụ na ejirila MSS I/O site na akụkụ ọzọ ma ọ bụ akwa ákwà (lee akụkụ MSS I/O nkekọrịta maka nkọwa ndị ọzọ)
ákwà - Họrọ nhọrọ a iji gosi na GPIO ahọpụtara ga-ejikọta na akwa FPGA. Ị ga-ahọrọ ma ịchọrọ ka ebute GPI (Input), GPO (mmepụta) ma ọ bụ ma GPI na GPO (Ntinye / mmepụta) njikọ (s) iji jikọọ na akwa ákwà. Rịba ama na GPIO na-eme ka ndekọ aha enweghị ike iwepụta ya na akwa mgbe ahọpụtara nhọrọ a. Ọzọkwa, GPI ejikọrọ na akwa nwere ike ịkpalite nkwụsị site na mgbagha onye ọrụ ma ọ bụrụ na nkwụsịtụ kwesịrị ekwesị na-enyere aka ịhazi bits nke ọma site na ngwa gị (ọrụ mbido ọkwọ ụgbọala MSS GPIO).
Ịkekọrịta MSS I/O
Na SmartFusion architecture MSS I/Os ka a na-ekekọrịta n'etiti akụkụ MSS abụọ ma ọ bụ n'etiti akụkụ MSS na akwa FPGA. MSS GPIO nwere ike ọ gaghị enwe ike ijikọ na otu MSS I/O ma ọ bụrụ na ejikọrọ I/O a na mpụta MSS ma ọ bụ na akwa FPGA. Onye nhazi GPIO na-enye nzaghachi ozugbo gbasara ma enwere ike jikọọ GPIO na MSS I/O ma ọ bụ na ọ bụghị.
GPIO [31:16]
A haziri GPIO[31:16] n'otu dị iche iche na-egosi akụkụ MSS ha na-ekerịta MSS I/Os. Ọ bụrụ na ejiri mpụta (gbanyere na kanvas MSS), mgbe ahụ, menu MSS I/O Pad na-adọkpụ ga-acha agba maka GPIO nkekọrịta kwekọrọ na akara ngosi ozi ga-egosipụta n'akụkụ menu ndọda. Akara ngosi ozi na-egosi na enweghị ike ịhọrọ nhọrọ MSS I/O n'ihi na ejirila ya na mpaghara MSS ma ọ bụ, dabere na ngwugwu ahọpụtara, ejikọtaghị ya.
Example 1
Agbanyere SPI_0, SPI_1, I2C_0, I2C_1, UART_0 na UART_1 na kwaaji MSS.
- GPIO[31:16] enweghị ike ijikọ na MSS I/O. Rịba ama menus ndị agbachapụrụ agbachapụ na akara ngosi ozi (Foto 1-1).
- GPIO[31:15] ka nwere ike jikọọ na akwa FPGA. Na nke a example, GPIO[31] ejikọrọ na akwa dị ka ihe mmepụta na GPIO[30] dị ka ntinye.
Example 2
I2C_0 na I2C_1 nwere nkwarụ na kwaaji MSS.
- Enwere ike ijikọ GPIO[31:30] na GPIO[23:22] na MSS I/O (dị ka egosiri na eserese 1-2).
- Na nke a example, ma GPIO[31] na GPIO[30] jikọọ na MSS I/O dị ka ọdụ ụgbọ mmiri mmepụta.
- Na nke a example, GPIO[23] ejikọrọ na MSS I/O dị ka ọdụ ụgbọ mmiri ntinye na GPIO[22] jikọọ na MSS I/O dị ka ọdụ ụgbọ mmiri Bidirectional.
- GPIO[29:24,21:16] enweghị ike ijikọ na MSS I/O. Rịba ama menu ihe agbachapụrụ agbachapụ na akara ngosi ozi.
- GPIO[29:24,21:16] ka nwere ike jikọọ na akwa FPGA. Na nke a example, ma GPIO[29] na GPIO[28] jikọtara ya na akwa dị ka ọdụ ụgbọ mmiri ntinye.
GPIO [15:0]
GPIO[15:0] kesaa MSS I/Os nke enwere ike hazie iji jikọọ na akwa FPGA (enwere ike ime nhazi nke a mechaa site na iji MSS I/O Configurator). Ọ bụrụ na ahaziri MSS I/O ka ọ jikọọ na akwa FPGA, mgbe ahụ, menu MSS I/O Pad ndọda bụ isi awọ maka GPIO nkekọrịta kwekọrọ na akara ngosi ozi ga-egosipụta n'akụkụ menu ndọpụta. Akara ngosi ozi na-egosi na enweghị ike ịhọrọ nhọrọ MSS I/O n'ihi na ejirila ya ma ọ bụ, dabere na ngwugwu ahọpụtara, ejikọtaghị ya.
Rịba ama na ederede na-acha anụnụ anụnụ dị na nhazi ahụ na-eme ka aha pin ngwugwu pụta ìhè maka MSS I/O ọ bụla metụtara GPIO. Ozi a bara uru maka nhazi nhazi osisi.
Example
Iji gosi nke ọma ka esi ejikọta nhazi MSS I/O na GPIO[15:0], eserese 1-3 na-egosi nhazi abụọ ahụ n'akụkụ n'akụkụ na nhazi ndị a:
- A na-eji MSS I/O[15] dị ka ọdụ ụgbọ mmiri INBUF jikọtara na akwa FPGA. N'ihi ya, enweghị ike ijikọ GPIO[15] na MSS I/O.
- Ejikọrọ GPIO[5] na MSS I/O dị ka ntinye. Ya mere enweghị ike iji MSS I/O[5] jikọọ na akwa FPGA.
- Ejikọtara GPIO[3] na akwa FPGA dị ka ihe nrụpụta. Ya mere enweghị ike iji MSS I/O[3] jikọọ na akwa FPGA.
Nkọwa Port
Tebụl 2-1 • Nkọwa ọdụ ụgbọ mmiri GPIO
| Aha Port | Ntuziaka | PAD? | Nkọwa |
| GPIO_ _IN | In | Ee | Aha ọdụ ụgbọ mmiri GPIO mgbe ahaziri GPIO[index] ka MSS I/O Ntinye
ọdụ ụgbọ mmiri |
| GPIO_ _Ọpụpụ | pụọ | Ee | Aha ọdụ ụgbọ mmiri GPIO mgbe ahaziri GPIO[index] ka MSS I/O Mpụta
ọdụ ụgbọ mmiri |
| GPIO_ _TRI | pụọ | Ee | Aha ọdụ ụgbọ mmiri GPIO mgbe ahaziri GPIO[index] ka MSS I/O
Tristate ọdụ ụgbọ mmiri |
| GPIO_ _BI | Ntinye | Ee | Aha ọdụ ụgbọ mmiri GPIO mgbe ahaziri GPIO[index] ka MSS I/O Bidirectional ọdụ ụgbọ mmiri |
| F2M_GPI_ | In | Mba | Aha ọdụ ụgbọ mmiri GPIO mgbe ahaziri GPIO[index] iji jikọọ na akwa FPGA dịka ihe Ntinye ọdụ ụgbọ mmiri (F2M na-egosi na mgbama na-esi na akwa akwa gaa na MSS) |
| M2F_GPO_ | In | Mba | Aha ọdụ ụgbọ mmiri GPIO mgbe ahaziri GPIO[index] iji jikọọ na akwa FPGA dịka ihe Mpụta ọdụ ụgbọ mmiri (M2F na-egosi na mgbama na-esi na MSS gaa na akwa) |
Mara:
- A na-akwalite ọdụ ụgbọ mmiri PAD na-akpaghị aka ka ọ dị elu n'oge usoro nhazi.
- Ekwesịrị iji aka kwalite ọdụ ụgbọ mmiri ndị na-abụghị PAD ruo ọkwa dị elu site na kwaaji nhazi MSS ka ọ dị ka ọkwa ọkwa na-esote.
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Microsemi SmartDesign MSS GPIO nhazi [pdf] Akwụkwọ ntuziaka onye ọrụ SmartDesign MSS GPIO, Nhazi, SmartDesign MSS GPIO Nhazi, SmartDesign MSS |
