; J101 Target J101 eZ-FET UARTtoUSB
;
-; DVSS 14 o--o 13 GND
+; DVSS 14 o--o 13 GND
; 5V0 12 o--o 11 5V0
; DVCC 10 o--o 9 3V3
; P1.5 UCA0_RX 8 o--o 7 <------------ TX UARTtoUSB
; P1.4 UCA0_TX 6 o--o 5 <---------+-> RX UARTtoUSB
-; SBWTDIO/RST 4 o--o 3 | _
+; SBWTDIO/RST 4 o--o 3 | _
; SBWTCK/TST 2 o--o 1 +--4k7---o o-- GND
; DeepRST
; SD_Card socket
; VCC - ----> VCC SD_CardAdapter
; GND - <---> GND SD_CardAdapter
-; P2.4 - UCA1 CLK J2 ----> CLK SD_CardAdapter (SCK)
+; P2.4 - UCA1 CLK J2 ----> CLK SD_CardAdapter (SCK)
; P2.6 - UCA1 TXD/SIMO J1 ----> SDI SD_CardAdapter (MOSI)
; P2.5 - UCA1 RXD/SOMI J1 <---- SDO SD_CardAdapter (MISO)
; P1.6 - J4 ----> CS SD_CardAdapter (Card Select)
; P1.7 - J4 <---- CD SD_CardAdapter (Card Detect)
-;
+;
; ======================================================================
; LP_MSP430FR2476 board
; ======================================================================
; J1 - left ext.
; 3v3
-; P1.6/UCA0CLK/TA1CLK/TDI/TCLK/A6
+; P1.6/UCA0CLK/TA1CLK/TDI/TCLK/A6
; P2.5/UCA1RXD/UCA1SOMI/CAP1.2
; P2.6/UCA1TXD/UCA1SIMO/CAP1.3
; P2.2/SYNC/ACLK/COMP0.1
-; P5.4/UCB1STE/TA3CLK/A11
+; P5.4/UCB1STE/TA3CLK/A11
; P3.5/UCB1CLK/TB0TRG/CAP3.1
-; P4.5/UCB0SOMI/UCB0SCL/TA3.2
+; P4.5/UCB0SOMI/UCB0SCL/TA3.2
; P1.3/UCB0SOMI/UCB0SCL/MCLK/A3
; P1.2/UCB0SIMO/UCB0SDA/TA0.2/A2/VEREF-
;
; P1.7/UCA0STE/SMCLK/TDO/A7
; P4.3/UCB1SOMI/UCB1SCL/TB0.5/A8
; P4.4/UCB1SIMO/UCB1SDA/TB0.6/A9
-; P5.3/UCB1CLK/TA3.0/A10
+; P5.3/UCB1CLK/TA3.0/A10
; P1.0/UCB0STE/TA0CLK/A0/VEREF+ -<J7>- LED1
; P1.1/UCB0CLK/TA0.1/COMP0.0/A1 --- TEMPERATURE SENSOR ---<J9>--- 3V3
-; P5.7/TA2.1/COMP0.2
+; P5.7/TA2.1/COMP0.2
; P3.7/TA3.2/CAP2.0
;
; J4 - right int.
-; P5.2/UCA0TXD/UCA0SIMO/TB0.4
+; P5.2/UCA0TXD/UCA0SIMO/TB0.4
; P5.1/UCA0RXD/UCA0SOMI/TB0.3 -<J8>- LED2Red
; P5.0/UCA0CLK/TB0.2 -<J8>- LED2Green
; P4.7/UCA0STE/TB0.1 -<J8>- LED2Blue
; P2.4/UCA1CLK/CAP1.1
;
; switch-keys:
-; P4.0/TA3.1/CAP2.1 - S1
-; P2.3/TA2.0/CAP0.2 - S2
+; P4.0/TA3.1/CAP2.1 - S1
+; P2.3/TA2.0/CAP0.2 - S2
; /RST - S3
;
; XTAL LF 32768 Hz
MOV #0FFFEh,&PAOUT ; all pins with pull up resistors else P1.0 (LED2)
.IFDEF UCA0_TERM
-; P1.4 UCA0-TXD --> USB2UART RXD
-; P1.5 UCA0-RXD <-- USB2UART TXD
+; P1.4 UCA0-TXD --> USB2UART RXD
+; P1.5 UCA0-RXD <-- USB2UART TXD
TERM_IN .equ P1IN
TERM_SEL .equ P1SEL0
TERM_REN .equ P1REN
CD_SD .equ 080h ; P1.7 as Card Detect
SD_CDIN .equ P1IN
-CS_SD .equ 040h ; P1.6 as Card Select
+CS_SD .equ 040h ; P1.6 as Card Select
SD_CSOUT .equ P1OUT
SD_CSDIR .equ P1DIR
SD_REN .equ PAREN ; to configure pullup resistors
.ENDIF
-; P2.3/TA2.0/CAP0.2 - S2
+; P2.3/TA2.0/CAP0.2 - S2
SW2_IN .equ P2IN
SW2 .equ 8
; S1 - P4.0
SW1_IN .equ P4IN
SW1 .equ 1 ; P4.0 = S1
-WIPE_IN .equ P4IN
-IO_WIPE .equ 1 ; P4.0 = S1 = FORTH Deep_RST pin
; LED2B - J8 - P4.7
MOV #0FFFCh,&PCOUT ; all pins with pull up resistors else P5.0 (LED2G) P5.1 (LED2R)
.IFDEF TERMINAL4WIRES
-; RTS output is wired to the CTS input of UART2USB bridge
+; RTS output is wired to the CTS input of UART2USB bridge
; configure RTS as output high to disable RX TERM during start FORTH
BIS.B #RTS,&P6DIR ; RTS as output high
.IFDEF TERMINAL5WIRES
-; CTS input must be wired to the RTS output of UART2USB bridge
+; CTS input must be wired to the RTS output of UART2USB bridge
; configure CTS as input low (true) to avoid lock when CTS is not wired
BIC.B #CTS,&P6OUT ; CTS input pulled down
.ENDIF ; TERMINAL5WIRES
; ----------------------------------------------------------------------
; POWER ON RESET SYS config
; ----------------------------------------------------------------------
-; SYS code
+; SYS code
; BIC #1,&SYSCFG0 ; enable write program in FRAM
MOV #0A500h,&SYSCFG0 ; enable write MAIN and INFO
; ----------------------------------------------------------------------
; CS code for MSP430FR2476
-; to measure REFO frequency, output ACLK on P2.2:
+; to measure REFO frequency, output ACLK on P2.2:
; BIS.B #4,&P2SEL1
; BIS.B #4,&P2DIR
; result : REFO = xx.xx kHz
-; =====================================
- .IF FREQUENCY = 0.5
-; MOV #058h,&CSCTL0 ; preset DCO = measured value @ 0x180 (88)
-; MOV #0001h,&CSCTL1 ; Set 1MHZ DCORSEL,disable DCOFTRIM,Modulation
- MOV #1ED1h,&CSCTL0 ; preset MOD=31, DCO = measured value @ 0x180 (209)
- MOV #00B0h,&CSCTL1 ; Set 1MHZ DCORSEL,enable DCOFTRIM=3h ,enable Modulation to reduce EMI
-; ===================================== ; fCOCLKDIV = REFO x (FLLN+1)
-; MOV #100Dh,&CSCTL2 ; Set FLLD=1 (DCOCLKCDIV=DCO/2),set FLLN=0Dh
- ; fCOCLKDIV = 32768 x (13+1) = 0.459 MHz ; measured : MHz
-; MOV #100Eh,&CSCTL2 ; Set FLLD=1 (DCOCLKCDIV=DCO/2),set FLLN=0Eh
- ; fCOCLKDIV = 32768 x (14+1) = 0.491 MHz ; measured : MHz
- MOV #100Fh,&CSCTL2 ; Set FLLD=1 (DCOCLKCDIV=DCO/2),set FLLN=0Fh
- ; fCOCLKDIV = 32768 x (15+1) = 0.524 MHz ; measured : MHz
-; =====================================
- .ELSEIF FREQUENCY = 1
-; MOV #100h,&CSCTL0 ; preset DCO = 256
-; MOV #00B1h,&CSCTL1 ; Set 1MHZ DCORSEL,enable DCOFTRIM=3h ,disable Modulation
- MOV #1EFFh,&CSCTL0 ; preset MOD=31, DCO=255
- MOV #00B0h,&CSCTL1 ; Set 1MHZ DCORSEL,enable DCOFTRIM=3h ,enable Modulation to reduce EMI
-; ===================================== ; fCOCLKDIV = REFO x (FLLN+1)
-; MOV #001Dh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1Dh
- ; fCOCLKDIV = 32768 x (29+1) = 0.983 MHz ; measured : 0.989MHz
- MOV #001Eh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1Eh
- ; fCOCLKDIV = 32768 x (30+1) = 1.015 MHz ; measured : 1.013MHz
-; MOV #001Fh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1Fh
- ; fCOCLKDIV = 32768 x (31+1) = 1.049 MHz ; measured : 1.046MHz
-; =====================================
- .ELSEIF FREQUENCY = 2
-; MOV #100h,&CSCTL0 ; preset DCO = 256
-; MOV #00B3h,&CSCTL1 ; Set 2MHZ DCORSEL,enable DCOFTRIM=3h ,disable Modulation
- MOV #1EFFh,&CSCTL0 ; preset MOD=31, DCO=255
- MOV #00B2h,&CSCTL1 ; Set 2MHZ DCORSEL,enable DCOFTRIM=3h ,enable Modulation to reduce EMI
-; ===================================== ; fCOCLKDIV = REFO x (FLLN+1)
-; MOV #003Bh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=3Bh
- ; fCOCLKDIV = 32768 x (59+1) = 1.966 MHz ; measured : MHz
- MOV #003Ch,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=3Ch
- ; fCOCLKDIV = 32768 x (60+1) = 1.998 MHz ; measured : MHz
-; MOV #003Dh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=3Dh
- ; fCOCLKDIV = 32768 x (61+1) = 2.031 MHz ; measured : MHz
-; =====================================
- .ELSEIF FREQUENCY = 4
-; MOV #100h,&CSCTL0 ; preset DCO = 256
-; MOV #00B5h,&CSCTL1 ; Set 4MHZ DCORSEL,enable DCOFTRIM=3h ,disable Modulation
- MOV #1EFFh,&CSCTL0 ; preset MOD=31, DCO=255
- MOV #00B4h,&CSCTL1 ; Set 4MHZ DCORSEL,enable DCOFTRIM=3h ,enable Modulation to reduce EMI
-; ===================================== ; fCOCLKDIV = REFO x (FLLN+1)
-; MOV #0078h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=78h
- ; fCOCLKDIV = 32768 x (120+1) = 3.965 MHz ; measured : 3.96MHz
- MOV #0079h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=79h
- ; fCOCLKDIV = 32768 x (121+1) = 3.997 MHz ; measured : 3.99MHz
-; MOV #007Ah,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=7Ah
- ; fCOCLKDIV = 32768 x (122+1) = 4.030 MHz ; measured : 4.020MHz
-; =====================================
- .ELSEIF FREQUENCY = 8
-; MOV #100h,&CSCTL0 ; preset DCO = 256
-; MOV #00B7h,&CSCTL1 ; Set 8MHZ DCORSEL,enable DCOFTRIM=3h ,disable Modulation
- MOV #1EFFh,&CSCTL0 ; preset MOD=31, DCO=255
- MOV #00B6h,&CSCTL1 ; Set 8MHZ DCORSEL,enable DCOFTRIM=3h ,enable Modulation to reduce EMI
-; ===================================== ; fCOCLKDIV = REFO x (FLLN+1)
-; MOV #00F2h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=F2h
- ; fCOCLKDIV = 32768 x (242+1) = 7.963 MHz ; measured : 7.943MHz
-; MOV #00F3h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=F3h
- ; fCOCLKDIV = 32768 x (243+1) = 7.995 MHz ; measured : 7.976MHz
- MOV #00F4h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=F4h
- ; fCOCLKDIV = 32768 x (244+1) = 8.028 MHz ; measured : 8.009MHz
-; MOV #00F5h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=F5h
- ; fCOCLKDIV = 32768 x (245+1) = 8.061 MHz ; measured : 8.042MHz
-; MOV #00F8h,&CSCTL2 ; don't work with cp2102 (by low value)
-; MOV #00FAh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=FAh
-
-; =====================================
- .ELSEIF FREQUENCY = 12
-; MOV #100h,&CSCTL0 ; preset DCO = 256
-; MOV #00B9h,&CSCTL1 ; Set 12MHZ DCORSEL,enable DCOFTRIM=3h ,disable Modulation
- MOV #1EFFh,&CSCTL0 ; preset MOD=31, DCO=255
- MOV #00B8h,&CSCTL1 ; Set 12MHZ DCORSEL,enable DCOFTRIM=3h ,enable Modulation to reduce EMI
-; ===================================== ; fCOCLKDIV = REFO x (FLLN+1)
-; MOV #016Ch,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1E6h
- ; fCOCLKDIV = 32768 x 364+1) = 12.960 MHz ; measured : 11.xxxMHz
-; MOV #016Dh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1E7h
- ; fCOCLKDIV = 32768 x 365+1) = 11.993 MHz ; measured : 11.xxxMHz
- MOV #016Eh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1E8h
- ; fCOCLKDIV = 32768 x 366+1) = 12.025 MHz ; measured : 12.xxxMHz
-; MOV #016Fh,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1E9h
- ; fCOCLKDIV = 32768 x 367+1) = 12.058 MHz ; measured : 12.xxxMHz
-; =====================================
- .ELSEIF FREQUENCY = 16
-; MOV #100h,&CSCTL0 ; preset DCO = 256
-; MOV #00BBh,&CSCTL1 ; Set 16MHZ DCORSEL,enable DCOFTRIM=3h ,disable Modulation
- MOV #1EFFh,&CSCTL0 ; preset MOD=31, DCO=255
- MOV #00BAh,&CSCTL1 ; Set 16MHZ DCORSEL,enable DCOFTRIM=3h ,enable Modulation to reduce EMI
-; ===================================== ; fCOCLKDIV = REFO x (FLLN+1)
-; MOV #01E6h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1E6h
- ; fCOCLKDIV = 32768 x 486+1) = 15.958 MHz ; measured : 15.92MHz
-; MOV #01E7h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1E7h
- ; fCOCLKDIV = 32768 x 487+1) = 15.991 MHz ; measured : 15.95MHz
- MOV #01E8h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1E8h
- ; fCOCLKDIV = 32768 x 488+1) = 16.023 MHz ; measured : 15.99MHz
-; MOV #01E9h,&CSCTL2 ; Set FLLD=0 (DCOCLKCDIV=DCO),set FLLN=1E9h
- ; fCOCLKDIV = 32768 x 489+1) = 16.056 MHz ; measured : 16.02MHz
-; =====================================
- .ELSEIF
- .error "bad frequency setting, only 0.5,1,2,4,8,12,16 MHz"
- .ENDIF
-
.IFDEF LF_XTAL
; MOV #0000h,&CSCTL3 ; FLL select XT1, FLLREFDIV=0 (default value)
MOV #0000h,&CSCTL4 ; ACLOCK select XT1, MCLK & SMCLK select DCOCLKDIV
BIS.B #03,&P2SEL0 ; P2.0 as XOUT, P2.1 as XIN
.ELSE
BIS #0010h,&CSCTL3 ; FLL select REFCLOCK
- MOV #0200h,&CSCTL4 ; ACLOCK select VLOCLK, MCLK & SMCLK select DCOCLKDIV (default value)
+; MOV #0100h,&CSCTL4 ; ACLOCK select REFO, MCLK & SMCLK select DCOCLKDIV (default value)
.ENDIF
-
+ BIC.B #-1,&CSCTL1 ; clear DCORSEL (Set 1MHZ DCORSEL), DCOFTRIM=0, ENable MODulation to reduce EMI
+ .IF FREQUENCY = 1 ; nothing else to do
+ .ELSEIF FREQUENCY = 2
+ BIS.B #2,&CSCTL1 ; Set 2MHZ DCORSEL
+ .ELSEIF FREQUENCY = 4
+ BIS.B #4,&CSCTL1 ; Set 4MHZ DCORSEL
+ .ELSEIF FREQUENCY = 8
+ BIS.B #6,&CSCTL1 ; Set 8MHZ DCORSEL
+ .ELSEIF FREQUENCY = 12
+ BIS.B #8,&CSCTL1 ; Set 12MHZ DCORSEL
+ .ELSEIF FREQUENCY = 16
+ BIS.B #10,&CSCTL1 ; Set 16MHZ DCORSEL
+ .ELSEIF FREQUENCY = 20
+ BIS.B #12,&CSCTL1 ; Set 20MHZ DCORSEL
+ .ELSEIF FREQUENCY = 24
+ BIS.B #14,&CSCTL1 ; Set 24MHZ DCORSEL
+ .ELSEIF
+ .error "bad frequency setting, only 1,2,4,8,12,16,20,24 MHz"
+ .ENDIF
+; MOV #INT(FREQUENCY*1000000/32768)-1,&CSCTL2; set FLLD=0 (DCOCLKCDIV=DCO),set FLLN for frequency slight lower
+ MOV #INT(FREQUENCY*1000000/32768),&CSCTL2; set FLLD=0 (DCOCLKCDIV=DCO),set FLLN for frequency slight upper
MOV #92,X ; 96* 3 ms = 288 ms delay, because FLL lock time = 200 ms
ClockWaitX MOV &FREQ_KHZ,Y ;
ClockWaitY SUB #1,Y ;1
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