upd75112 Renesas Electronics Corporation., upd75112 Datasheet - Page 28
upd75112
Manufacturer Part Number
upd75112
Description
4-bit Single Chip-microcomputer
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD75112.pdf
(72 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
upd75112CW -184
Manufacturer:
NEC
Quantity:
600
Company:
Part Number:
upd75112CW-052
Manufacturer:
NEC
Quantity:
320
Company:
Part Number:
upd75112CW-184SP
Manufacturer:
NEC
Quantity:
321
Company:
Part Number:
upd75112CW-231
Manufacturer:
NEC
Quantity:
203
Part Number:
upd75112CW-231
Manufacturer:
NEC
Quantity:
20 000
Company:
Part Number:
upd75112GF
Manufacturer:
INTEL
Quantity:
3 149
28
The power-on reset circuit generates the internal reset
signal by rising of supply voltage. This pulse is used in
the three ways according to the specification of mask
option of SWA and SWB shown in Figure 8-1 (refer to
"11. Mask Option Selection").
Reset operations are shown in Figures 8-2 and 8-3.
Figure 8-2 Reset Operation by Power-on Reset
Figure 8-3 Reset Operation by Reset Input
Each hardware status after reset operation is shown in
Table 8-1.
PD75112, 75116
* The wait time does not include a time from the generation of
RES signal to the start of oscillation.
Supply Voltage
Internal Reset
Signal (RES)
RESET Input
0V
Operation or
Standby Mode
Internal Reset
Operation
Internal Reset
Operation
Wait *
(Approx. 31.3 ms:4.19 MHz)
Wait *
(Approx. 31.3 ms:4.19 MHz)
HALT Mode
HALT Mode
Operating Mode
Operating Mode