68HC08/908 Motorola CPU08, Flash- 128 , 128 2 . 512 1 . 5,0 , 8 . 3,0 2,0 . 16- , 8- 10- .
, . Flash- 68HC908 , .
- . 68HC908GP32, .2.1. .
. 2.1. 68908GP32
_____ _____
( 7 /KBD 7 0 /KBD 0) 8- , (KBI). , , . 10 . - .
( 7 /AD 7 0 /AD 0) 8- , - . , 10 . - .
( 6 0) 7- , 0 4 , . , . - .
D (PTD 7 /T 2 CH 1, PTD 6 /T 2 CH 0, PTD 5 /T 1 CH 1, PTD 4 /T 2 CH 0, PTD 3 /SPSCK, PTD 2 /MOSI, PTD 1 /MISO, PTD 0 /SS) 8- , 4 7 / TIM 08, 0 3 SPI, . , . D , . PTD D - .
|
|
( 1 /RxD, 0 /TxD) 2- , SCI. , , D. PT - .
VSS .
VDD 5 ..
VSSAD/VREFL - ADC.
VDDAD/VREFH - ADC. - ADC.
VSSA (CGM).
VDDA (CGM). OSC 1, OSC 2 . . OSC 32,768 30 100 .
CGMXFC 32,768 .
RST . .
IRQ .
68 HC 08/908 HC, Motorola hight -speed CMOS. CMOS, , . : , , . , , , 68 08/908 .
:
U OH = 4,2 B;
U OL = 0,4 B;
I OH = -0,8 ;
I OL = 1,6 ;
U IH = 3,5 ;
U IL = 1,0 B;
I IH = 10 ;
I IL = -10 ;
U OH - 1; U OL - 0; IOH - 1; IOL - 0; U IH - 1; U IL - 0; IIH - 1; IIL - 0;
, . 2.2.
. 2.2.
GP CGM08, , - Fq = 32,768 , ( ). 1 2 3 .
|
|