sh6622a SinoWealth Micro-Electronics Corp. Ltd, sh6622a Datasheet - Page 6

• Manufacturer Part Number: sh6622a
• Description: Mask 4-bit Microcontroller
• Manufacturer: SinoWealth Micro-Electronics Corp. Ltd

System Register $16 - $1B
Equivalent Circuit for a Single I/O Pin
PAXOUT, PBXOUT, PCXOUT, PDXOUT, PEXOUT (X = 0, 1, 2, 3), PFXOUT (X = 0, 1)
T0 & WDT
System Register $1C
1: Use as an output buffer.
0: Use as an input buffer (Power on initial).
T0E: T0 signal edge.
T0S: T0 signal source.
Address
Address
$1A
$1B
$1C
$16
$17
$18
$19
0: Increment on low-to-high transition T0 pin (Power on initial).
1: Increment on high-to-low transition T0 pin.
0: OSC 1/4 (Power on initial).
1: Transition on T0 pin.
PA3OUT
PB3OUT
PC3OUT
PD3OUT
PE3OUT
BIT3
Bit3
-
-
CONTROL
PA2OUT
PB2OUT
PC2OUT
PD2OUT
PE2OUT
DATA IN
RESET
RESET
WRITE
WRITE
DATA
BIT2
Bit2
-
-
READ
PC1OUT
PD1OUT
PA1OUT
PB1OUT
PE1OUT
PF1OUT
D
CK
D
CK
BIT1
T0S
Bit1
PXXOUT
DATA
RESET
SET
Q
QB
QB
PA0OUT
PB0OUT
PC0OUT
PD0OUT
PE0OUT
PF0OUT
Q
BIT0
T0E
Bit0
6
OR
AND
R/W
R/W
W
W
W
W
W
W
W
Bit0: T0 signal edge
Bit1: T0 signal source
Set PORTC to be output port
Set PORTD to be output port
Set PORTA to be output port
Set PORTB to be output port
Set PORTE to be output port
Set PORTF to be output port
Remark
Remarks
V
DD
GND
I/O PIN
SH6622A