; MSP-EXP430FR2433 LAUNCHPAD <--> OUTPUT WORLD
; ======================================================================
-; +--4k7-< DeepRST switch <-- GND
+; +--4k7-< DeepRST switch <-- GND
; |
; P1.4 - UCA0 TXD J101.6 - <-+-> RX UARTtoUSB bridge
; P1.5 - UCA0 RXD J101.8 - <---- TX UARTtoUSB bridge
; P1.2 - UCB0 SDA J1.10 - <---> SDA I2C Master_Slave
; P1.3 - UCB0 SCL J1.9 - ----> SCL I2C Master_Slave
-
-; P2.2 - ACLK J2.18 - <---- TSSOP32236 (IR RC5)
+
+; P2.2 - ACLK J2.18 - <---- TSSOP32236 (IR RC5)
; P2.0 - J2.11 - ----> SD_CS (Card Select)
; P2.1 - J2.12 - <---- SD_CD (Card Detect)
; P2.4 - UCA1 CLK J1.7 - ----> SD_CLK
; P2.5 - UCA1 SOMI J2.14 - <---- SD_SDO
; P2.6 - UCA1 SIMO J2.15 - ----> SD_SDI
-
+
; P3.1 - J2.13 - ----> SCL I2C Soft_Master
; P3.2 - J2.17 - <---> SDA I2C Soft_Master
-
+
; ----------------------------------------------------------------------
; POWER ON RESET AND INITIALIZATION : I/O
; LED2 - P1.1
; P1.4 - TXD TERMINAL + DEEP_RST
; P1.5 - RXD TERMINAL
-; P1.0 - RTS TERMINAL
-; P1.1 - CTS TERMINAL
+; P1.0 - RTS TERMINAL
+; P1.1 - CTS TERMINAL
LED1_OUT .equ P1OUT
LED1_DIR .equ P1DIR
SW1_IN .equ P2IN
SW1 .equ 8 ; P2.3 = S1
-WIPE_IN .equ P2IN
-IO_WIPE .equ 8 ; P2.3 = S1 = FORTH Deep_RST pin
-
MOV #-1,&PAREN ; all inputs with pull up/down resistors
MOV #0FFFCh,&PAOUT ; all pins with pullup resistors else LED1/LED2
.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,&P1DIR ; 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,&P1OUT ; 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 EXP430FR2433
-; 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 = 32.69kHz
-; ===================================================================
-; need to adjust FLLN (and DCO) for each device of MSP430fr2xxx family ?
-; (no problem with MSP430FR5xxx families without FLL).
-; ===================================================================
- .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
-; =====================================
+ .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)
+ .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
-
-; 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) = 1.996 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
-; =====================================
+ BIS.B #2,&CSCTL1 ; Set 2MHZ DCORSEL
.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
-; =====================================
+ BIS.B #4,&CSCTL1 ; Set 4MHZ DCORSEL
.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
-
-; =====================================
+ BIS.B #6,&CSCTL1 ; Set 8MHZ DCORSEL
.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
-; =====================================
+ BIS.B #8,&CSCTL1 ; Set 12MHZ DCORSEL
.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
-; =====================================
+ BIS.B #10,&CSCTL1 ; Set 16MHZ DCORSEL
.ELSEIF
- .error "bad frequency setting, only 0.5,1,2,4,8,12,16 MHz"
+ .error "bad frequency setting, only 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)
- .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 #128,X ; 128* 3 ms = 384 ms delay, because FLL lock time = 280 ms
ClockWaitX MOV &FREQ_KHZ,Y ;
ClockWaitY SUB #1,Y ;1
OSDN Git Service
