rej99b0047-0100 3850 group difference between standard ver. and spec.a
rej99b0047-0100 -2- difference among 3850 groups (spec.a and standard ver.) difference among 3850 groups (spec.a and standard ver.) vi cnvss vcc -0.3 to 13v(mask rom version and prom version) -0.3 to vcc+0.3v(mask rom version) -0.3 to 6.5v(flash memory version) -0.3 to 7.0v -0.3 to 6.5v absolute maximum ratings mask: 8k,16k flash:? prom:16k mask: 8k,16k,24k,32k flash: 32k prom: ? rom size 8mhz 12.5mhz max.f(xin) ? built in (port p0 ? p4 ) software pull-up resister 5 ports : p1 3 -p1 7 8 ports : p1 0 -p1 7 large current port a-d channels a-d converter serial i/o related products 5 channels 9 channels unserviceable in low-speed mode serviceable in low-speed mode 1 channel; uart/clock synchronous x 1 2 channels; uart/clock synchronous x 1 clock synchronous x 1 m38503m2-xxxsp/fp m38503m4-xxxsp/fp m38503e4sp/fp m38503e4ss m38503m2a-xxxsp/fp m38503m4a-xxxsp/fp m38504m6a-xxxsp/fp m38507m8a-xxxsp/fp m38507f8asp/fp m38507arlss 3850 group(standard ver.) 3850group(spec.a)
rej99b0047-0100 -3- differences in pin configuration differences in pin configuration 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 p3 0 /an 0 p3 1 /an 1 p3 2 /an 2 p3 3 /an 3 p3 4 /an 4 p0 0 /s in2 p0 1 /s out2 p0 4 /an 5 p0 5 /an 6 p0 6 /an 7 p1 2 /(led 2 ) p1 3 /(led 3 ) p1 4 /(led 4 ) p1 6 /(led 6 ) p1 7 /(led 7 ) p0 2 /s clk2 p0 3 /s rdy2 p0 7 /an 8 p1 0 /(led 0 ) p1 1 /(led 1 ) p1 5 /(led 5 ) differences spec.a and standard version outline : 42p2r-a/e, 42p4b : flash memory version,prom version vpp 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 3850group standard ver. p3 0 /an 0 p3 1 /an 1 p3 2 /an 2 p3 3 /an 3 p3 4 /an 4 p0 0 p0 1 p0 4 p0 5 p0 6 p1 2 p1 3 /(led 0 ) p1 4 /(led 1 ) p1 6 /(led 3 ) p1 7 /(led 4 ) p0 2 p0 3 p0 7 p1 0 p1 1 p1 5 /(led 2 ) v ref av ss p4 4 /int 3 /pwm p4 3 /int 2 p4 2 /int 1 p4 1 /int 0 p4 0 /cntr 1 p2 6 /s clk1 p2 5 /t x d p2 4 /r x d p2 3 p2 2 cnv ss p2 1 /x cin reset x in x out v ss p2 0 /x cout vpp p2 7 /cntr 0 /s rdy1 v ref av ss p4 4 /int 3 /pwm p4 3 /int 2 /s cmp2 p4 2 /int 1 p4 1 /int 0 p4 0 /cntr 1 p2 6 /s clk1 p2 5 /t x d p2 4 /r x d p2 3 p2 2 cnv ss p2 1 /x cin reset x in x out v ss p2 0 /x cout vpp p2 7 /cntr 0 /s rdy1 v cc v cc 3850group spec.a
rej99b0047-0100 -4- mask version flash/prom version 12.5mhz 8.0mhz 6.0mhz 4.0mhz 5.5v 4.0v 2.7v prom (standard/ spec.h) flash (spec.a) f(xin) vcc 12.5mhz ( =6.25mhz) 8.0mhz 6.0mhz ( =3.0mhz) 4.0mhz 5.5v 4.0v 2.7v standard spec.h spec.a f(xin) vcc high-speed mode high-speed mode 2.7v 12.5mhz ( =1.56mhz) 8.0mhz ( =1.0mhz) 5.5v standard spec.h spec.a f(xin) vcc middle-speed mode 2.7v 12.5mhz 8.0mhz 5.5v spec.a f(xin) vcc middle-speed mode prom (standard/ spec.h) improvement of operating frequency characteristics in 3850 groups improvement of operating frequency characteristics in 3850 groups
rej99b0047-0100 -5- reserved serial i/o2/int 3 interrupt source selection bit 003a 16 bit4 ? port p0p1p2 pull-up control register 0012 16 ? analog input selection register 0037 16 reserved serial i/o2 register 0017 16 reserved serial i/o2 control register2 0016 16 reserved serial i/o2 control register1 0015 16 ? port p4 pull-up control register 0014 16 ? port p3 pull-up control register 0013 16 standard version spec.a address additional registers in spec.a notes on converting standard ver. into spec.a (1) notes on converting standard ver. into spec.a (1) 1. there are additional registers in spec.a as following table. these are used for additional function in spec.a, softwa re pull-up resister,serial i/o2 and an increase of analog input pin number . when not using the additional functions in spec.a, take the fo llowing (1) or (2) (1) don?t write any data to the additional r egisters(or bit). (keep the initial state after releasing reset) (2) write the initial state to the additional registers(or bit) after releasing reset ? if in the program for standard ver. any data have been not wr itten to the addresses corresponding to the spec.a?s additional regi sters, this program can be used for spec.a as it is (not requ iring to change program codes).
rej99b0047-0100 -6- int 3 interrupt enable bit serial i/o2/int 3 interrupt enable bit 003e 16 bit4 (interrupt control register 1) reserved (don?t write ?1? to this bit) serial i/o2/int 3 interrupt source bit 0:int 3 interrupt 1: serial i/o2 interrupt 003a 16 bit4 (interrupt edge selection register) int 3 interrupt request bit serial i/o2/int 3 interrupt request bit 003c 16 bit4 (interrupt request register 1) standard version spec.a address(register name) notes on converting standard ver. into spec.a (2) notes on converting standard ver. into spec.a (2) 2. in spec.a , serial i/o2 interrupt request bit and enable bit are combined with those of int3. interrupt source can be sele cted by the serial i/o2/int 3 interrupt source bit. when the serial i/o2/int 3 interrupt source bit is ?0?(ini tial state),interrupt source is int3. this is the sa me as standard version.
rej99b0047-0100 -7- 3. spec.a?s emulator mcu is m3 8507arlss which is under development. when not using the additional functions, it is possible to develop program using m38517rss 4. in spec.a,the built-in pull-up resisters can be used for terminat ion of unused pins. 5. there are differences in electric charac teristics,operation margin,noise immunity and noise radiation between spec.a and standard version due to the difference in the manufacturing processes. when manufacturing an application system with standard version switching to use of spec.a, please perform sufficient evaluations for the commercial samples of spec.a mask rom version. notes on converting standard ver. into spec.a (3) notes on converting standard ver. into spec.a (3)
to our customers, old company name in catalogs and other documents on april 1 st , 2010, nec electronics corporation merged with renesas technology corporation, and renesas electronics corporation took over all the business of both companies. therefore, although the old company name remains in this document, it is a valid renesas electronics document. we appreciate your understanding. renesas electronics website: http://www.renesas.com april 1 st , 2010 renesas electronics corporation issued by: renesas electronics corporation ( http://www.renesas.com ) send any inquiries to http://www.renesas.com/inquiry .
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