; P2 - P8.1 ACLK/A9
; P3 - P1.1 UCA0 RXD
; P4 - P1.0 UCA0 TXD
-; P5 - P2.7
+; P5 - P2.7
; P6 - P8.0 SMCLK/A8
; P7 - P5.1 UCB0 CLK
; P8 - P2.5
; ---------------------------------------------------
; MSP - MSP-EXP430FR4133 LAUNCHPAD <--> OUTPUT WORLD
; ---------------------------------------------------
-; P1.0 - LED1 red
+; P1.0 - LED1 red
; P4.0 - LED2 green
;
; P1.2 - S1
-; P2.6 - S2
-; +-4k7-< DeepRST <-- GND
+; P2.6 - S2
+; +-4k7-< DeepRST <-- GND
; |
; P1.0 - UCA0 TXD J101.8 --+-> RX UARTtoUSB bridge
; P1.1 - UCA0 RXD J101.10 <---- TX UARTtoUSB bridge
; P2.3 - RTS J101.14 ----> CTS UARTtoUSB bridge (if TERMINALCTSRTS option)
; VCC - J101.16 <---- VCC (optional supply from UARTtoUSB bridge - WARNING ! 3.3V !)
; GND - J101.20 <---> GND (optional supply from UARTtoUSB bridge)
-;
+;
; P2.7 - J1.5 <---- OUT IR_Receiver (1 TSOP32236)
-;
-; P4.1 - LFXI 32768Hz quartz
-; P4.2 - LFXO 32768Hz quartz
+;
+; P4.1 - LFXI 32768Hz quartz
+; P4.2 - LFXO 32768Hz quartz
;
; P5.2 - UCB0 SDA/SIMO J2.6 <---> SDA I2C Slave
; P5.3 - UCB0 SCL/SOMI J2.7 <---- SCL I2C Slave
-;
+;
; P5.1 - UCB0 CLK J1.7 ----> orange SD_CLK
; P5.2 - UCB0 SDA/SIMO J2.6 ----> grey SD_SDI
; P5.3 - UCB0 SCL/SOMI J2.7 <---- purple SD_SDO
; P8.0 - J1.6 <---- violin SD_CD (Card Detect)
; P8.1 - J1.2 ----> brown SD_CS (Card Select)
-;
+;
; P8.2 - Soft I2C_Master J1.9 ----> SDA software I2C Master
; P8.3 - Soft I2C_Master J1.10 <---> SCL software I2C Master
CTS .set 10h ; P2.4 bit position
.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,&P2DIR ; RTS as output high
.IFDEF TERMINAL5WIRES
; P4 configuration :
; P4.0 - LED2 green
-; P4.1 - LFXI 32768Hz quartz
-; P4.2 - LFXO 32768Hz quartz
-
+; P4.1 - LFXI 32768Hz quartz
+; P4.2 - LFXO 32768Hz quartz
+
LED2_OUT .equ P4OUT
LED2_DIR .equ P4IN
LED2 .equ 1 ; P4.0 LED2 green
SD_CSOUT .equ P8OUT
SD_CSDIR .equ P8DIR
CD_SD .equ 1 ; P8.0
-CS_SD .equ 2 ; P8.1
+CS_SD .equ 2 ; P8.1
; reset state : Px{DIR,REN,SEL0,SEL1,SELC,IE,IFG,IV} = 0 ; Px{IN,OUT,IES} = ?
; ----------------------------------------------------------------------
; 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
; BIS.B #2,&P8DIR
; result : REFO = ? kHz
-
-; ===================================================================
-; 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
-; =====================================
- .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
-; =====================================
- .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 #06,&P4SEL0 ; P4.2 as XOUT, P4.1 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
+ .error "bad frequency setting, only 1,2,4,8,12,16 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 #64,X ; 64* 3 ms = 192 ms delay, because FLL lock time = 120 ms
ClockWaitX MOV &FREQ_KHZ,Y ;
ClockWaitY SUB #1,Y ;1
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