IC506 MPC18A20VM |
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RF | SS | DTC | NC | PGNDLG | VB | VIN | VIH | VGH | CIL | VCC | CK | COSC | MODE 1 | MODE 2 |
30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
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| CLK |
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| CHARGE PUMP |
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| SAW | CONTROL | |
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| LOGIC | |
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| PRE DRIVER |
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| OSC |
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| EN | ENB |
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| SAW |
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| COMP |
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| + |
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| SAW |
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| COMP |
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| VREF |
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| PRE |
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| EFM |
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| DRIVER |
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| LOGIC |
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| OP |
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| BIAS |
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| VREF |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
INM | ERRID | ERRIV | GND | VSET | VG | VGL | PGNDG | PGNDB | HA | HB | PGNDA | GND | EFM | VERF |
rIC BLOCK DIAGRAMS – MAIN (2/3) SECTION – IC804 DS1302Z
VCC2 1
X1 2
X2 3
GND 4
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| OSCILATOR |
| REAL TIME | |
| AND DIVIDER |
| CLOCK | |
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| DATA BUS | |
RAM | ADDRESS BUS | COMMAND AND | |
CONTROL LOGIC | |||
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INPUT CHIFT REGISTERS
8 VCC1
7 SCLK
6 I/O
5 RST
IC806 MB3800PNF |
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1 |
| REFERENCE |
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| 8 | FB | |||
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| VOLTAGE |
| GENERATOR |
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| ERROR |
| 0.1V |
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| 1.25V |
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| OSC | ||
SCP | 2 | AMP | _ |
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| 7 | ||
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| + | 36K | ± |
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| ± |
| OUTPUT | 30K |
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| 0.5V |
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| DRIVE | GND | ||
VCC | 3 |
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| 500 |
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| CONTROL | ||||
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| DTC 0.6V | CIRCUIT |
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| 0.3V |
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BR/CTL | 4 |
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| 5 | OUT |
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| SOFT START |
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| S.C.P. |
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– |
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| – 62 – |
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