usb copyright ? 2011 by silicon laboratories 01.21.11 digital peripherals uart0 timers 0, 1, 2, 3 pca/ wdt smbus priority crossbar decoder p0.0 p0.1 p0.2/xtal1 p0.3/xtal2 p0.4/tx p0.5/rx p0.6/cnvstr p0.7/vref crossbar control port i/o configuration sfr bus p1.0 p1.1 p1.2 p1.3 p1.4 p1.5/vpp p3.0/c2d spi debug / programming hardware power on reset reset c2d c2ck/rst p1.6 p1.7 p2.0 p2.1 p2.2 p2.3 p2.4 p2.5 p2.6 usb peripheral controller 1k byte ram full / low speed transceiver cip-51 8051 controller core 16k byte otp program memory 256 byte sram 1024 byte xram d+ d- vbus uart1 vio port 0 drivers port 1 drivers port 3 drivers port 2 drivers voltage regulator regulator core power peripheral power gnd regin vdd in-system programming hardware vpp system clock setup external oscillator internal oscillator low freq. oscillator clock recovery xtal1 xtal2 analog peripherals (c8051t620) 2 comparators + - 10-bit 500ksps adc a m u x temp sensor vref vdd vdd vref gnd cp0, cp0a voltage reference vref + - cp1, cp1a c8051t620/621/320/321/322/323 full speed usb eprom mcu family analog peripherals 10-bit adc (c8051t620/320/321 only) - up to 500 ksps - up to 21 external inputs - vref from on-chip vref, external pin, internal 1.8 v regulator or v dd - internal or external start of conversion source - built-in temperature sensor comparators - programmable hysteresis and response time - configurable as interrupt or reset source - low current (<0.5 a) usb function controller - usb specification 2.0 compliant - full speed (12 mbps) or low speed (1.5 mbps) operation - integrated clock recovery; no external oscillator required for full speed or low speed - supports six flexible endpoints - 1 kb usb buffer memory - integrated transceiver; no external resistors required on-chip debug - c8051f34a can be used as code development platform; complete development kit available - on-chip debug circuitry facilitates full speed, nonintrusive in-system debug - provides breakpoints, single stepping , inspect/modify memory and regis - ters supply voltage: 1.8 to 5.25 v - on-chip ldo for internal core supply - built-in supply voltage monitor temperature range: ?40 to +85 c high-speed 8051 c core - pipelined instruction architecture; executes 70% of instructions in 1 or 2 system clocks - up to 48 mips throughput with 48 mhz clock - expanded interrupt handler memory - 1280 bytes internal data ram (256 + 1024) - 16 kb byte-programmable eprom code memory - eprom can be programmed from firmware running on the device digital peripherals - 25 port i/o with high sink current capability - hardware enhanced spi?, smbus?, and two enhanced uart serial ports - four general purpose 16-bit counter/timers - 16-bit programmable counter array (pca) with five capture/compare modules and enhanced pwm functionality clock sources - two internal oscillators: ? 48 mhz: 0.25% accuracy with clock recovery enabled. ? supports all usb and uart modes ? 80/40/20/10 khz low frequency, low power - external oscillator: cryst al, rc, c, or cmos clock - can switch between clock sources on-the-fly; useful in power saving modes package options - 5x5 mm qfn28 or qfn32 - lqfp32
usb copyright ? 2011 by silicon laboratories 01.21.11 silicon laboratories and silicon labs are trademarks of silicon laboratories inc. other products or brandnames mentioned her ein are trademarks or registered tr ademarks of their respective holders selected electrical charasteristics parameter conditions min typ max units supply voltage regulator1 in normal mode regulator1 in bypass mode 1.8 1.75 3.0 ? 3.6 1.9 v v sysclk ? (system clock) 0?48mhz specified ? operating temp range ?40 ? +85 c voltage regulator (reg0) input voltage range 2.7 ? 5.25 v output ? voltage (v dd ) output current=1 to 100 ma 3.3 3.45 3.6 v output current ? ? 100 ma adc-dc accuracy resolution 10 bits sar conversion clock ?? 8mhz throughput rate ? ? 500 ksps voltage reference output voltage 1.2 v setting, 25 c ambient 2.4 v setting, 25 c ambient ? 1.1 1.2 2.4 1.3 2.5 v vref short-cir- cuit current ?4.5 6 ma comparators response time: mode 0, vcm * = 1.5 v cp0+ ? cp0? = 100 mv ? 240 ? ns cp0+ ? cp0? = ?100 mv ? 240 ? ns c8051t62x development kit product selection guide ordering part number mips (peak) eprom code memory (bytes) ram (bytes) calibrated internal 48 mhz oscillator internal 80 khz oscillator usb with 256 bytes endpoint ram supply voltage regulator smbus/i 2 c enhanced spi uarts timers (16-bit) programmable counter array digital port i/os 10-bit 500 ksps adc internal voltage reference temperature sensor analog comparator lead-free (rohs compliant) package c8051t620-gm 48 16k 1 1280yyyyyy24y24y y y 2 yqfn32 C8051T621-GM 48 16k 1 1280yyyyyy24y24??? 2 yqfn32 c8051t320-gq 2 48 16k 1 1280 y y y y y y 2 4 y 25 y y y 2 y lqfp32 c8051t321-gm 3 48 16k 1 1280yyyyyy24y21y y y 2 yqfn28 c8051t322-gq 2 48 16k 1 1280 y y y y y y 2 4 y 25 ? ? ? 2 y lqfp32 c8051t323-gm 3 48 16k 1 1280yyyyyy24y21??? 2 yqfn28 notes: 1. 512 bytes reserved for factory use. 2. pin compatible with the c8051f320-gm. 3. pin compatible with the c8051f321-gm. c8051t620/621/320/321/322/323 full speed usb eprom mcu family
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