UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 43

• Manufacturer Part Number: UPD78F0537DGA(T)-9EV-A
• Description: 8BIT MCU, 128K FLASH, 7KB RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F0537DGA(T)-9EV-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

2.3 Pin I/O Circuits and Recommended Connection of Unused Pins
P00/TI000
P01/TI010/TO00
P02/SO11
P03/SI11
P04/SCK11
P05/SSI11
P06/TI011
P10/SCK10/TxD0
P11/SI10/RxD0
P12/SO10
P13/TxD6
P14/RxD6
P15/TOH0
P16/TOH1/INTP5
P17/TI50/TO50
P20/ANI0 to
P27/ANI7
P30/INTP1
P31/INTP2/OCD1A
P32/INTP3/OCD1B
P33/TI51/TO51/INTP4
P40 to P43
P50 to P53
Table 2-2 shows the types of pin I/O circuits and the recommended connections of unused pins.
See Figure 2-1 for the configuration of the I/O circuit of each type.
Notes 1. Available only in the
Remark For the product ranks, consult an NEC
Pin Name
Note 1
Note 2
Note 1
Note 1
Note 1
2. P20/ANI0 to P27/ANI7 are set in the analog input mode after release of reset.
3. For products without an on-chip debug function and with the flash memory of 48 KB or more
4.
Note 1
/TO01
/TI001
(
the product with an on-chip debug function (
when writing the flash memory with a flash memory programmer.
• P31/INTP2/OCD1A
The above connection is not necessary when writing the flash memory by means of self programming.
OCD1A and OCD1B are provided to the
µ
PD78F0534, 78F0535, 78F0536, and 78F0537) and having a product rank of “I”, “K”, or “E”, and for
Notes 3, 4
Note 4
Note 1
Note 1
5-AH
5-AG
5-AG (
78F0532, 78F0533),
5-AH (
78F0535, 78F0536,
78F0537, 78F0537D)
5-AH
5-AG
5-AH
5-AG
5-AH
11-G
5-AH
5-AG
I/O Circuit Type
µ
µ
PD78F0531,
PD78F0534,
µ
Note 4
PD78F0534, 78F0535, 78F0536, 78F0537, and 78F0537D.
: Connect to EV
Table 2-2. Pin I/O Circuit Types (1/2)
CHAPTER 2 PIN FUNCTIONS
User’s Manual U17260EJ6V0UD
I/O
I/O
Electronics sales representative
SS
µ
PD78F0537D only.
via a resistor (10 kΩ: recommended).
Input:
Output: Leave open.
<Analog setting>
Connect to AV
<Digital setting>
Input:
Output: Leave open.
Input:
Output: Leave open.
µ
PD78F0537D), connect P31/INTP2/OCD1A
Independently connect to EV
Independently connect to EV
Independently connect to EV
Recommended Connection of Unused Pins
REF
or AV
SS
.
.
DD
DD
DD
or EV
or EV
or EV
SS
SS
SS
via a resistor.
via a resistor.
via a resistor.
Note 4
as follows
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